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    407 Products

    Mil. Spec. Washers

    These washers are manufactured and tested to strict U.S. military standards for material and construction. They take the pressure off screws and nuts to protect mounting surfaces.
    Steel
    Image of Product. Front orientation. Washers. Mil. Spec. Washers.
    Low-Friction Cadmium-Plated Steel—The plating reduces friction between the washer, fastener, and mounting surface to prevent sticking when fastening and loosening. It also creates a barrier against rust that's comparable to zinc yellow-chromate plating.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil. Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Low-Friction Cadmium-Plated Steel
    No. 0
    0.063"0.099"0.015" to 0.017"NAS620-01005360N111000000
    No. 1
    0.078"0.188"0.016" to 0.025"MS27183-110098032A4130000
    No. 2
    0.089"0.149"0.015" to 0.017"NAS620-21005360N1120000
    No. 2
    0.094"0.250"0.016" to 0.025"MS27183-2ASME B18.21.110098032A41700000
    No. 2
    0.099"0.250"0.029" to 0.035"AN960-2NAS1149-FN232P10095229A2300000
    No. 3
    0.102"0.180"0.015" to 0.017"NAS620-3L255360N1130000
    No. 3
    0.102"0.180"0.031" to 0.033"NAS620-3255360N11400000
    No. 3
    0.125"0.250"0.017" to 0.028"MS27183-310098032A4210000
    No. 4
    0.115"0.209"0.015" to 0.017"NAS620-4L1005360N11500000
    No. 4
    0.115"0.209"0.031" to 0.033"NAS620-41005360N11600000
    No. 4
    0.125"0.312"0.014" to 0.018"AN960-4LNAS1149-FN416P10095229A2600000
    No. 4
    0.125"0.312"0.025" to 0.040"MS27183-4ASME B18.21.110098032A4250000
    No. 4
    0.125"0.312"0.029" to 0.035"AN960-4ASME B18.21.1, NAS1149-FN432P10095229A2700000
    No. 4
    0.125"0.375"0.025" to 0.040"MS27183-4410098032A4290000
    No. 5
    0.128"0.238"0.015" to 0.017"NAS620-5L1005360N1170000
    No. 5
    0.128"0.238"0.031" to 0.033"NAS620-52505360N11800000
    No. 5
    0.141"0.281"0.025" to 0.040"MS27183-4510098032A4320000
    No. 6
    0.143"0.267"0.015" to 0.017"NAS620-6L1005360N1190000
    No. 6
    0.143"0.267"0.031" to 0.033"NAS620-61005360N12100000
    No. 6
    0.149"0.375"0.014" to 0.018"AN960-6LNAS1149-FN616P10095229A3100000
    No. 6
    0.149"0.375"0.029" to 0.035"AN960-6NAS1149-FN632P10095229A3200000
    No. 6
    0.156"0.250"0.013" to 0.020"MS27183-4310098032A4360000
    No. 6
    0.156"0.312"0.027" to 0.048"MS27183-510098032A4430000
    No. 6
    0.156"0.375"0.036" to 0.065"MS27183-6ASME B18.21.110098032A4470000
    No. 8
    0.169"0.304"0.015" to 0.017"NAS620-8L2505360N12200000
    No. 8
    0.169"0.304"0.031" to 0.033"NAS620-81005360N12300000
    No. 8
    0.174"0.375"0.014" to 0.018"AN960-8LNAS1149-FN816P10095229A3300000
    No. 8
    0.174"0.375"0.029" to 0.035"AN960-8NAS1149-FN832P10095229A3400000
    No. 8
    0.188"0.375"0.036" to 0.065"MS27183-710098032A4510000
    No. 8
    0.188"0.438"0.036" to 0.065"MS27183-41ASME B18.21.110098032A45700000
    No. 8
    0.188"0.500"0.051" to 0.080"MS27183-4610098032A4620000
    No. 10
    0.195"0.354"0.031" to 0.033"NAS620-10L1005360N1240000
    No. 10
    0.195"0.354"0.062" to 0.064"NAS620-101005360N1250000
    No. 10
    0.203"0.438"0.029" to 0.035"AN960-10LNAS1149-F0332P10095229A3700000
    No. 10
    0.203"0.438"0.059" to 0.067"AN960-10NAS1149-F0363P10095229A3800000
    No. 10
    0.203"0.875"0.053" to 0.073"AN970-3NASM97010095229A91000000
    No. 10
    0.219"0.365"0.025" to 0.040"MS27183-4710098032A4660000
    No. 10
    0.219"0.438"0.036" to 0.065"MS27183-810098032A4690000
    No. 10
    0.219"0.500"0.036" to 0.065"MS27183-42ASME B18.21.110098032A47200000
    No. 12
    0.250"0.562"0.025" to 0.040"MS27183-4910098032A47700000
    No. 12
    0.250"0.562"0.051" to 0.080"MS27183-9ASME B18.21.110098032A48100000
    No. 12
    0.250"0.625"0.025" to 0.040"MS27183-5010098032A48500000
    No. 12
    0.250"0.938"0.051" to 0.080"MS27183-482598032A4890000
    No. 12
    0.250"1.000"0.051" to 0.080"MS27183-512598032A4920000
    1/4"
    0.255"0.468"0.031" to 0.033"NAS620-416L1005360N12600000
    1/4"
    0.255"0.468"0.062" to 0.064"NAS620-4161005360N12700000
    1/4"
    0.260"0.531"0.052" to 0.072"MS20002-42591922A30400000
    1/4"
    0.265"0.500"0.029" to 0.035"AN960-416LNAS1149-F0432P10095229A4200000
    1/4"
    0.265"0.500"0.059" to 0.067"AN960-416NAS1149-F0463P10095229A4300000
    1/4"
    0.265"1.125"0.053" to 0.073"AN970-4NASM9705095229A92000000
    1/4"
    0.281"0.625"0.051" to 0.080"MS27183-10ASME B18.21.110098032A49500000
    1/4"
    0.281"0.734"0.051" to 0.080"MS27183-5210098032A49800000
    1/4"
    0.312"0.500"0.027" to 0.048"MS27183-545098032A33100000
    1/4"
    0.312"0.875"0.051" to 0.075"MS27183-532598032A33200000
    1/4"
    0.313"0.734"0.051" to 0.080"MS27183-11ASME B18.21.15098032A50100000
    5/16"
    0.324"0.593"0.052" to 0.072"MS20002-52591922A30500000
    5/16"
    0.328"0.562"0.029" to 0.035"AN960-516LNAS1149-F0532P10095229A4500000
    5/16"
    0.328"0.562"0.059" to 0.067"AN960-516NAS1149-F0563P10095229A4600000
    5/16"
    0.328"1.375"0.053" to 0.073"AN970-5NASM9705095229A93000000
    5/16"
    0.344"0.688"0.051" to 0.080"MS27183-12ASME B18.21.110098032A50500000
    5/16"
    0.375"0.625"0.027" to 0.048"MS27183-565098032A3340000
    5/16"
    0.375"0.734"0.064" to 0.094"MS27183-555098032A33500000
    5/16"
    0.375"0.875"0.064" to 0.104"MS27183-13ASME B18.21.15098032A50900000
    3/8"
    0.385"0.687"0.052" to 0.072"MS20002-62591922A30600000
    3/8"
    0.390"0.625"0.029" to 0.035"AN960-616LNAS1149-F0632P10095229A4800000
    3/8"
    0.390"0.625"0.059" to 0.067"AN960-616NAS1149-F0663P10095229A49000000
    3/8"
    0.390"1.625"0.053" to 0.073"AN970-6NASM9702595229A94000000
    3/8"
    0.406"0.812"0.051" to 0.080"MS27183-14ASME B18.21.15098032A51400000
    3/8"
    0.406"0.875"0.051" to 0.070"MS27183-575098032A34200000
    3/8"
    0.412"0.625"0.025" to 0.040"MS27183-585098032A3410000
    3/8"
    0.438"0.875"0.051" to 0.080"MS27183-605098032A34300000
    3/8"
    0.438"1.365"0.064" to 0.104"MS27183-591098032A34400000
    3/8"
    0.438"1.625"0.051" to 0.104"MS27183-611098032A34500000
    7/16"
    0.438"1.000"0.064" to 0.104"MS27183-155098032A33700000
    7/16"
    0.451"0.781"0.052" to 0.072"MS20002-72591922A30700000
    7/16"
    0.453"0.750"0.029" to 0.035"AN960-716LNAS1149-F0732P10095229A51000000
    7/16"
    0.453"0.750"0.059" to 0.067"AN960-716NAS1149-F0763P10095229A52000000
    7/16"
    0.453"1.812"0.099" to 0.119"AN970-7NASM9701095229A53000000
    7/16"
    0.469"0.734"0.051" to 0.080"MS27183-625098032A33600000
    7/16"
    0.469"0.922"0.051" to 0.080"MS27183-16ASME B18.21.15098032A33800000
    7/16"
    0.500"1.250"0.064" to 0.104"MS27183-17ASME B18.21.15098032A33900000
    1/2"
    0.515"0.875"0.029" to 0.035"AN960-816LNAS1149-F0832P10095229A54000000
    1/2"
    0.515"0.875"0.052" to 0.072"MS20002-82591922A30800000
    1/2"
    0.515"0.875"0.059" to 0.067"AN960-816NAS1149-F0863P10095229A55000000
    1/2"
    0.515"2.000"0.099" to 0.119"AN970-8NASM9701095229A96000000
    1/2"
    0.531"1.062"0.074" to 0.121"MS27183-18ASME B18.21.12598032A34600000
    1/2"
    0.562"1.375"0.086" to 0.132"MS27183-19ASME B18.21.11098032A34700000
    9/16"
    0.578"1.062"0.059" to 0.067"AN960-916NAS1149-F0963P5095229A58000000
    9/16"
    0.578"2.188"0.115" to 0.135"AN970-9NASM970595229A9700000
    9/16"
    0.579"0.968"0.052" to 0.072"MS20002-92591922A30900000
    9/16"
    0.594"1.156"0.074" to 0.121"MS27183-20ASME B18.21.12598032A34800000
    5/8"
    0.640"1.188"0.029" to 0.035"AN960-1016LNAS1149-F1032P5095229A6000000
    5/8"
    0.640"1.188"0.059" to 0.067"AN960-1016NAS1149-F1063P5095229A61000000
    5/8"
    0.640"2.375"0.115" to 0.135"AN970-10NASM970595229A56000000
    5/8"
    0.643"1.062"0.052" to 0.072"MS20002-101091922A31100000
    5/8"
    0.656"1.312"0.074" to 0.121"MS27183-21ASME B18.21.12598032A35100000
    5/8"
    0.656"2.125"0.080" to 0.115"MS27183-63598032A34900000
    5/8"
    0.688"1.750"0.108" to 0.160"MS27183-22ASME B18.21.11098032A35200000
    3/4"
    0.765"1.312"0.028" to 0.036"AN960-1216LNAS1149-F1232P5095229A11100000
    3/4"
    0.765"1.312"0.086" to 0.094"AN960-1216LNAS1149-F1290P1095229A11200000
    3/4"
    0.770"1.250"0.052" to 0.072"MS20002-121091922A31200000
    3/4"
    0.812"1.469"0.108" to 0.160"MS27183-23ASME B18.21.11098032A35300000
    3/4"
    0.812"2.000"0.122" to 0.177"MS27183-24ASME B18.21.1598032A35400000
    7/8"
    0.890"1.500"0.028" to 0.036"AN960-1416LNAS1149-F1432P2595229A11500000
    7/8"
    0.890"1.500"0.059" to 0.067"NAS1149-F1463P1095229A11600000
    7/8"
    0.890"1.500"0.086" to 0.094"AN960-1416NAS1149-F1490P1095229A11700000
    7/8"
    0.897"1.437"0.052" to 0.072"MS20002-141091922A31300000
    7/8"
    0.938"1.750"0.108" to 0.160"MS27183-25ASME B18.21.11098032A37100000
    7/8"
    0.938"2.250"0.136" to 0.192"MS27183-26ASME B18.21.1598032A35600000
    1"
    1.015"1.750"0.028" to 0.036"AN960-1616LNAS1149-F1632P1095229A11300000
    1"
    1.015"1.750"0.086" to 0.094"AN960-1616NAS1149-F1690P1095229A11400000
    1"
    1.025"1.625"0.052" to 0.072"MS20002-16591922A31400000
    1"
    1.062"2.000"0.108" to 0.160"MS27183-27ASME B18.21.11098032A35700000
    1"
    1.062"2.500"0.136" to 0.192"MS27183-28ASME B18.21.1198032A3580000
    1 1/8"
    1.250"2.750"0.136" to 0.192"MS27183-29ASME B18.21.1198032A3590000
    1 1/4"
    1.375"3.000"0.136" to 0.192"MS27183-30ASME B18.21.1198032A3610000
    1 3/8"
    1.500"3.250"0.153" to 0.213"MS27183-31ASME B18.21.1198032A36200000
    1 1/2"
    1.625"3.500"0.153" to 0.213"MS27183-32ASME B18.21.1198032A3630000
    1 5/8"
    1.750"3.750"0.153" to 0.213"MS27183-33ASME B18.21.1198032A36400000
    1 3/4"
    1.875"4.000"0.153" to 0.213"MS27183-34ASME B18.21.1198032A36500000
    1 7/8"
    2.000"4.250"0.153" to 0.213"MS27183-35ASME B18.21.1198032A36600000
    2"
    2.125"4.500"0.153" to 0.213"MS27183-36ASME B18.21.1198032A36700000
     
    Copper
    Image of Product. Front orientation. Washers. Mil. Spec. Washers.
    These have the best conductivity of all our metal washers. They're often used to secure electrical connections inside breaker panels and to fasten components on printed circuit boards. They're also the softest of all our metal washers, so they won't damage screws and nuts. However, copper washers aren't as corrosion resistant as brass washers, and will develop a green patina over time.
    Low-Friction Cadmium-Plated Copper—The plating reduces friction between the washer, fastener, and mounting surface to prevent sticking when tightening and loosening. It also creates a barrier against rust.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil.
    Spec.
    Pkg.
    Qty.
    Pkg.
    Low-Friction Cadmium-Plated Copper
    7/16"
    0.443"0.683"0.048" to 0.054"AN901-4C1091818A221000000
    1/2"
    0.505"0.745"0.048" to 0.054"AN901-5C1091818A22300000
    9/16"
    0.568"0.808"0.048" to 0.054"AN901-6C1091818A22400000
    3/4"
    0.755"0.995"0.048" to 0.054"AN901-8C1091818A22500000
    7/8"
    0.880"1.120"0.048" to 0.054"AN901-10C591818A22600000
    1"
    1.068"1.370"0.048" to 0.054"AN901-12C591818A22700000
     

    Plastic Washers

    Image of Product. Front orientation. Washers. Plastic Washers.
    All of these washers are lightweight, nonconductive, and naturally rust resistant. They are commonly used in electronics and automation applications to take the pressure off screws and nuts and protect mounting surfaces.
    Low-Friction Lubricant-Filled Nylon—Reduce friction between the washer, fastener, and mounting surface to prevent sticking when tightening and loosening.
    Low-Friction Impact-Resistant UHMW Polyethylene—The slippery surface reduces friction between the washer, fastener, and mounting surface to prevent sticking when fastening and loosening. These washers also resist bumps and vibration without cracking or denting.
    Chemical-Resistant High-Temperature PTFE—The most chemical-resistant plastic washers we offer, these stand up to the widest range of harsh acids, bases, solvents, and corrosive cleaners, even at temperatures up to 500° F. Their slippery surface reduces friction between the washer, fastener, and mounting surface to prevent sticking when tightening and loosening. They are also good electrical insulators.
    Temp.
    Range, ° F
    For Screw
    Size
    ID
    OD
    Thk.
    Min.
    Max.
    Specs. Met
    Color
    Pkg.
    Qty.
    Pkg.
    Low-Friction Lubricant-Filled Nylon
    No. 0
    0.065"0.188"0.008" to 0.012"Not Rated220Gray591545A61000000
    No. 2
    0.083"0.250"0.018" to 0.022"Not Rated220Gray591545A3100000
    No. 4
    0.120"0.220"0.028" to 0.034"Not Rated220Gray591545A2100000
    No. 5
    0.140"0.410"0.037" to 0.043"Not Rated220Gray591545A3200000
    No. 6
    0.142"0.312"0.028" to 0.034"Not Rated220Gray591545A2200000
    No. 8
    0.173"0.375"0.028" to 0.034"Not Rated220Gray591545A2300000
    No. 10
    0.201"0.460"0.028" to 0.034"Not Rated220Gray591545A2400000
    No. 12
    0.250"0.562"0.060" to 0.067"Not Rated220ASME B18.21.1Gray591545A3300000
    No. 12
    0.262"0.500"0.028" to 0.034"Not Rated220Gray591545A2500000
    1/4"
    0.322"0.562"0.028" to 0.034"Not Rated220Gray591545A2600000
    5/16"
    0.383"0.506"0.028" to 0.034"Not Rated220Gray591545A2700000
    7/16"
    0.469"0.923"0.060" to 0.067"Not Rated220ASME B18.21.1Gray591545A3400000
    1/2"
    0.530"0.880"0.028" to 0.034"Not Rated220Gray591545A2800000
    9/16"
    0.594"1.156"0.089" to 0.099"Not Rated220ASME B18.21.1Gray591545A3500000
    5/8"
    0.656"1.312"0.089" to 0.099"Not Rated220ASME B18.21.1Gray591545A3600000
    3/4"
    0.812"1.469"0.120" to 0.130"Not Rated220ASME B18.21.1Gray591545A3700000
    7/8"
    0.938"1.750"0.120" to 0.130"Not Rated220ASME B18.21.1Gray591545A3800000
    1"
    1.062"2.000"0.120" to 0.130"Not Rated220ASME B18.21.1Gray591545A3900000
    M2
    2.2 mm5.0 mm0.2 mm to 0.4 mmNot Rated220DIN 125Gray591545A4100000
    M3
    3.2 mm7.0 mm0.4 mm to 0.6 mmNot Rated220DIN 125Gray591545A4200000
    M4
    4.3 mm9.0 mm0.7 mm to 0.9 mmNot Rated220DIN 125Gray591545A4300000
    M5
    5.5 mm10.0 mm0.9 mm to 1.1 mmNot Rated220DIN 125Gray591545A4400000
    M6
    6.4 mm12.0 mm1.4 mm to 1.8 mmNot Rated220DIN 125Gray591545A4500000
    M7
    7.4 mm14.0 mm1.4 mm to 1.8 mmNot Rated220DIN 125Gray591545A4600000
    M8
    8.4 mm16.0 mm1.4 mm to 1.8 mmNot Rated220DIN 125Gray591545A4700000
    M10
    10.5 mm20.0 mm1.8 mm to 2.2 mmNot Rated220DIN 125Gray591545A4800000
    M12
    13.0 mm24.0 mm2.3 mm to 2.7 mmNot Rated220DIN 125Gray591545A4900000
    M14
    15.0 mm28.0 mm2.3 mm to 2.7 mmNot Rated220DIN 125Gray591545A5100000
    M16
    17.0 mm30.0 mm2.7 mm to 3.3 mmNot Rated220DIN 125Gray591545A5200000
    M18
    19.0 mm34.0 mm2.7 mm to 3.3 mmNot Rated220DIN 125Gray591545A5300000
    M20
    21.0 mm37.0 mm2.7 mm to 3.3 mmNot Rated220DIN 125Gray591545A54000000
     
    Low-Friction Impact-Resistant UHMW Polyethylene
    No. 2
    0.094"0.188"0.026" to 0.036"Not Rated180Off-White2595649A0180000
    No. 4
    0.120"0.250"0.026" to 0.036"Not Rated180Off-White2595649A0190000
    No. 5
    0.126"0.315"0.029" to 0.033"Not Rated180Off-White2595649A12000000
    No. 6
    0.150"0.375"0.026" to 0.036"Not Rated180Off-White2595649A2210000
    No. 8
    0.175"0.375"0.026" to 0.036"Not Rated180Off-White2595649A2250000
    No. 8
    0.188"0.438"0.036" to 0.065"-20180Off-White2595649A1110000
    No. 10
    0.203"0.438"0.026" to 0.036"Not Rated180Off-White2595649A2290000
    No. 10
    0.219"0.500"0.036" to 0.065"-20180Off-White2595649A1290000
    No. 12
    0.250"0.562"0.060" to 0.067"Not Rated180ASME B18.21.1Off-White1095649A51000000
    1/4"
    0.265"0.500"0.026" to 0.036"Not Rated180Off-White2595649A2320000
    1/4"
    0.281"0.375"0.056" to 0.071"-20180ASME B18.22.1Off-White2595649A1120000
    1/4"
    0.281"0.625"0.051" to 0.080"-20180Off-White2595649A1130000
    1/4"
    0.281"0.734"0.056" to 0.071"-20180ASME B18.22.1Off-White2595649A1310000
    1/4"
    0.313"0.750"0.051" to 0.080"-20180ASME B18.22.1Off-White2595649A1320000
    5/16"
    0.328"0.562"0.026" to 0.036"Not Rated180Off-White2595649A2360000
    5/16"
    0.344"0.625"0.056" to 0.071"-20180ASME B18.22.1Off-White2595649A1140000
    5/16"
    0.344"0.688"0.051" to 0.080"-20180Off-White2595649A1330000
    3/8"
    0.390"0.625"0.026" to 0.036"Not Rated180Off-White2595649A2410000
    3/8"
    0.406"0.734"0.056" to 0.071"-20180ASME B18.22.1Off-White2595649A1150000
    3/8"
    0.406"0.812"0.051" to 0.080"-20180ASME B18.22.1Off-White2595649A1160000
    3/8"
    0.406"1.000"0.056" to 0.071"-20180ASME B18.22.1Off-White2595649A1340000
    7/16"
    0.469"0.922"0.060" to 0.067"Not Rated180ASME B18.21.1Off-White1095649A52000000
    1/2"
    0.515"0.885"0.057" to 0.067"Not Rated180Off-White1095649A2440000
    1/2"
    0.531"1.000"0.056" to 0.071"-20180ASME B18.22.1Off-White1095649A1350000
    1/2"
    0.531"1.062"0.074" to 0.121"-20180Off-White1095649A1170000
    1/2"
    0.531"1.250"0.090" to 0.112"-20180ASME B18.22.1Off-White1095649A1360000
    1/2"
    0.563"1.375"0.086" to 0.132"-20180ASME B18.22.1Off-White1095649A1370000
    9/16"
    0.594"1.156"0.089" to 0.099"Not Rated180ASME B18.21.1Off-White1095649A5300000
    5/8"
    0.640"1.062"0.057" to 0.067"Not Rated180Off-White1095649A2470000
    5/8"
    0.656"1.250"0.090" to 0.112"-20180Off-White1095649A1180000
    5/8"
    0.656"1.312"0.074" to 0.121"-20180Off-White1095649A1380000
    3/4"
    0.765"1.312"0.057" to 0.067"Not Rated180Off-White1095649A2560000
    3/4"
    0.812"1.375"0.090" to 0.112"-20180ASME B18.22.1Off-White1095649A11900000
    3/4"
    0.812"1.469"0.108" to 0.160"-20180Off-White1095649A12100000
    7/8"
    0.935"1.750"0.115" to 0.130"Not Rated180ASME B18.21.1Off-White1095649A13000000
    1"
    1.025"1.750"0.057" to 0.067"Not Rated180Off-White595649A2630000
    1"
    1.062"1.370"0.090" to 0.112"-20180ASME B18.22.1Off-White595649A1220000
    1"
    1.062"2.000"0.108" to 0.160"-20180Off-White595649A1390000
    1 1/8"
    1.188"2.000"0.090" to 0.112"-20180ASME B18.22.1Off-White595649A1230000
    1 1/8"
    1.250"2.250"0.108" to 0.160"-20180Off-White595649A12400000
    1 1/4"
    1.312"2.250"0.146" to 0.174"-20180ASME B18.22.1Off-White595649A12500000
    1 1/4"
    1.375"2.500"0.136" to 0.192"-20180Off-White595649A12600000
    1 1/2"
    1.562"2.750"0.146" to 0.174"-20180ASME B18.22.1Off-White195649A1270000
    1 1/2"
    1.625"3.000"0.136" to 0.192"-20180Off-White195649A1280000
    M2
    2.1 mm5.0 mm0.7 mm to 0.9 mmNot Rated180Off-White1095649A31000000
    M3
    3.2 mm8.0 mm0.7 mm to 0.9 mmNot Rated180Off-White1095649A32000000
    M4
    4.3 mm9.0 mm0.7 mm to 0.9 mmNot Rated180Off-White1095649A33000000
    M5
    5.3 mm11.0 mm0.9 mm to 1.1 mmNot Rated180Off-White1095649A34000000
    M6
    6.4 mm12.0 mm1.5 mm to 1.7 mmNot Rated180Off-White595649A3500000
    M7
    7.4 mm14.0 mm1.5 mm to 1.7 mmNot Rated180Off-White595649A3600000
    M8
    8.4 mm18.0 mm1.9 mm to 2.1 mmNot Rated180Off-White595649A1100000
    M10
    10.5 mm20.0 mm1.8 mm to 2.2 mm-30180DIN 125Off-White1095649A1400000
    M10
    10.5 mm22.0 mm2.1 mm to 2.6 mmNot Rated180Off-White595649A3700000
    M12
    13.0 mm24.0 mm2.1 mm to 2.6 mmNot Rated180Off-White595649A3800000
    M14
    15.0 mm30.0 mm2.8 mm to 3.5 mmNot Rated180Off-White195649A3900000
    M16
    17.0 mm30.0 mm2.8 mm to 3.5 mmNot Rated180Off-White195649A4100000
    M18
    19.0 mm34.0 mm2.8 mm to 3.5 mmNot Rated180Off-White195649A4200000
    M20
    21.0 mm37.0 mm2.8 mm to 3.5 mmNot Rated180Off-White195649A4300000
     
    Chemical-Resistant High-Temperature PTFE
    No. 2
    0.090"0.250"0.002" to 0.004"Not Rated500White1095630A4100000
    No. 2
    0.090"0.250"0.008" to 0.012"Not Rated500White1095630A4150000
    No. 2
    0.090"0.250"0.027" to 0.035"Not Rated500White1095630A2320000
    No. 2
    0.094"0.188"0.022" to 0.028"Not Rated450White2595630A87100000
    No. 3
    0.116"0.250"0.027" to 0.035"Not Rated500White1095630A2340000
    No. 4
    0.124"0.375"0.035" to 0.045"Not Rated500White1095630A4180000
    No. 4
    0.125"0.250"0.002" to 0.004"Not Rated500White1095630A4200000
    No. 4
    0.125"0.250"0.008" to 0.012"Not Rated500White1095630A4250000
    No. 4
    0.125"0.312"0.025" to 0.040"Not Rated450White2595630A87200000
    No. 4
    0.125"0.438"0.036" to 0.045"Not Rated450White2595630A88900000
    No. 4
    0.137"0.250"0.008" to 0.012"Not Rated500White1095630A2350000
    No. 4
    0.137"0.250"0.027" to 0.035"Not Rated500White1095630A4350000
    No. 5
    0.137"0.500"0.027" to 0.035"Not Rated500White1095630A8110000
    No. 5
    0.137"0.625"0.027" to 0.035"Not Rated500White1095630A8120000
    No. 5
    0.141"0.281"0.028" to 0.036"Not Rated450White2595630A89100000
    No. 5
    0.141"0.406"0.036" to 0.045"Not Rated450White2595630A89200000
    No. 5
    0.145"0.500"0.027" to 0.035"Not Rated500White1095630A2360000
    No. 5
    0.150"0.312"0.045" to 0.055"Not Rated500White1095630A2370000
    No. 6
    0.156"0.312"0.028" to 0.036"Not Rated450White2595630A87300000
    No. 6
    0.156"0.375"0.036" to 0.065"Not Rated450White2595630A87400000
    No. 6
    0.156"0.438"0.035" to 0.045"Not Rated500White1095630A4380000
    No. 6
    0.156"0.562"0.027" to 0.035"Not Rated500White1095630A8130000
    No. 6
    0.156"0.750"0.027" to 0.035"Not Rated500White1095630A8140000
    No. 6
    0.156"1.000"0.027" to 0.035"Not Rated500White595630A81500000
    No. 8
    0.187"1.000"0.027" to 0.035"Not Rated500White595630A81600000
    No. 8
    0.187"1.000"0.057" to 0.067"Not Rated500White595630A81700000
    No. 8
    0.188"0.375"0.036" to 0.045"Not Rated450White1095630A8930000
    No. 8
    0.188"0.438"0.036" to 0.065"Not Rated450White1095630A8940000
    No. 8
    0.188"0.500"0.035" to 0.045"Not Rated500White1095630A2380000
    No. 8
    0.188"0.625"0.056" to 0.071"Not Rated450White1095630A8950000
    No. 8
    0.188"0.875"0.036" to 0.065"Not Rated450White1095630A8960000
    No. 8
    0.197"0.280"0.013" to 0.017"Not Rated500White1095630A2390000
    No. 8
    0.197"0.280"0.045" to 0.055"Not Rated500White1095630A2400000
    No. 8
    0.197"0.750"0.027" to 0.035"Not Rated500White1095630A4450000
    No. 8
    0.200"0.303"0.022" to 0.028"Not Rated500White1095630A2410000
    No. 10
    0.203"0.406"0.036" to 0.045"Not Rated450White2595630A87500000
    No. 10
    0.203"0.562"0.035" to 0.045"Not Rated500White1095630A4550000
    No. 10
    0.203"1.000"0.027" to 0.035"Not Rated500White595630A81800000
    No. 10
    0.203"1.000"0.057" to 0.067"Not Rated500White595630A81900000
    No. 10
    0.203"1.250"0.057" to 0.067"Not Rated500White595630A82200000
    No. 10
    0.203"1.500"0.027" to 0.035"Not Rated500White595630A82300000
    No. 10
    0.210"0.875"0.017" to 0.023"Not Rated500White1095630A4600000
    No. 10
    0.219"0.500"0.036" to 0.065"Not Rated450White2595630A87600000
    No. 12
    0.245"0.375"0.027" to 0.036"Not Rated450White1095630A8970000
    No. 12
    0.250"0.500"0.057" to 0.067"Not Rated500White1095630A2420000
    No. 12
    0.250"0.562"0.051" to 0.080"Not Rated450White1095630A8980000
    No. 12
    0.250"0.665"0.193" to 0.203"Not Rated500White595630A21200000
    No. 12
    0.250"0.815"0.203" to 0.213"Not Rated500White195630A2140000
    No. 12
    0.250"1.000"0.027" to 0.035"Not Rated500White595630A82500000
    No. 12
    0.250"1.000"0.057" to 0.067"Not Rated500White595630A82600000
    No. 12
    0.250"1.250"0.027" to 0.035"Not Rated500White595630A82700000
    No. 12
    0.250"1.250"0.057" to 0.067"Not Rated500White595630A82800000
    No. 12
    0.250"1.500"0.027" to 0.035"Not Rated500White595630A82900000
    No. 12
    0.250"1.500"0.057" to 0.067"Not Rated500White195630A8310000
    1/4"
    0.253"0.814"0.235" to 0.245"Not Rated500White195630A2160000
    1/4"
    0.260"0.337"0.022" to 0.028"Not Rated500White1095630A2170000
    1/4"
    0.281"0.500"0.027" to 0.035"Not Rated500White1095630A4700000
    1/4"
    0.281"0.625"0.051" to 0.080"Not Rated450White1095630A8770000
    1/4"
    0.281"0.735"0.057" to 0.067"Not Rated500White1095630A47500000
    1/4"
    0.281"0.875"0.056" to 0.071"Not Rated450White1095630A8780000
    1/4"
    0.281"1.000"0.057" to 0.067"Not Rated500White595630A83200000
    1/4"
    0.281"1.250"0.027" to 0.035"Not Rated500White595630A83300000
    1/4"
    0.281"1.250"0.057" to 0.067"Not Rated500White595630A83400000
    1/4"
    0.281"1.500"0.027" to 0.035"Not Rated500White595630A83500000
    1/4"
    0.281"1.500"0.057" to 0.067"Not Rated500White195630A8360000
    5/16"
    0.317"0.562"0.028" to 0.036"Not Rated450White1095630A8990000
    5/16"
    0.325"0.750"0.017" to 0.023"Not Rated500White1095630A2190000
    5/16"
    0.344"0.625"0.056" to 0.071"Not Rated450White1095630A8790000
    5/16"
    0.344"0.875"0.074" to 0.086"Not Rated500White595630A48000000
    5/16"
    0.344"1.000"0.027" to 0.035"Not Rated500White595630A83800000
    5/16"
    0.344"1.000"0.057" to 0.067"Not Rated500White595630A83700000
    5/16"
    0.344"1.125"0.056" to 0.071"Not Rated450White1095630A90100000
    5/16"
    0.344"1.250"0.027" to 0.035"Not Rated500White595630A83900000
    5/16"
    0.344"1.250"0.057" to 0.067"Not Rated500White595630A84100000
    5/16"
    0.344"1.500"0.027" to 0.035"Not Rated500White595630A84200000
    5/16"
    0.344"1.500"0.057" to 0.067"Not Rated500White195630A8430000
    5/16"
    0.370"1.090"0.226" to 0.236"Not Rated500White195630A2180000
    5/16"
    0.372"0.753"0.185" to 0.195"Not Rated500White195630A2440000
    3/8"
    0.375"1.250"0.057" to 0.067"Not Rated500White195630A4860000
    3/8"
    0.375"1.500"0.057" to 0.067"Not Rated500White195630A4870000
    3/8"
    0.380"0.812"0.027" to 0.035"Not Rated500White1095630A24500000
    3/8"
    0.390"0.875"0.057" to 0.067"Not Rated500White1095630A25600000
    3/8"
    0.390"1.750"0.057" to 0.067"Not Rated500White195630A8440000
    3/8"
    0.390"2.000"0.027" to 0.035"Not Rated500White195630A8460000
    3/8"
    0.390"2.000"0.057" to 0.067"Not Rated500White195630A8470000
    3/8"
    0.406"0.625"0.064" to 0.104"Not Rated450White1095630A88100000
    3/8"
    0.406"0.734"0.056" to 0.071"Not Rated450White1095630A88200000
    3/8"
    0.406"1.000"0.057" to 0.067"Not Rated500White1095630A48500000
    7/16"
    0.469"0.875"0.056" to 0.071"Not Rated450White1095630A90200000
    7/16"
    0.469"0.922"0.051" to 0.080"Not Rated450White1095630A88300000
    1/2"
    0.500"0.688"0.027" to 0.035"Not Rated500White1095630A2460000
    1/2"
    0.500"1.003"0.057" to 0.067"Not Rated500White595630A24800000
    1/2"
    0.531"1.062"0.074" to 0.121"Not Rated450White595630A8840000
    1/2"
    0.531"1.250"0.093" to 0.107"Not Rated500White195630A5000000
    1/2"
    0.531"1.750"0.027" to 0.035"Not Rated500White195630A8480000
    1/2"
    0.531"1.750"0.057" to 0.067"Not Rated500White195630A8490000
    1/2"
    0.531"2.000"0.027" to 0.035"Not Rated500White195630A8510000
    1/2"
    0.531"2.000"0.057" to 0.067"Not Rated500White195630A8520000
    1/2"
    0.532"1.500"0.017" to 0.023"Not Rated500White595630A50500000
    1/2"
    0.535"2.500"0.047" to 0.080"Not Rated450White1095630A90300000
    1/2"
    0.562"1.375"0.086" to 0.132"Not Rated450White595630A8850000
    5/8"
    0.656"0.938"0.090" to 0.112"Not Rated450White595630A88600000
    5/8"
    0.656"1.250"0.090" to 0.112"Not Rated450White595630A88700000
    5/8"
    0.656"1.312"0.074" to 0.121"Not Rated450White595630A88800000
    5/8"
    0.656"1.750"0.093" to 0.107"Not Rated500White195630A5100000
    5/8"
    0.656"2.000"0.057" to 0.067"Not Rated500White195630A8530000
    5/8"
    0.656"2.500"0.057" to 0.067"Not Rated500White195630A85500000
    3/4"
    0.750"1.000"0.057" to 0.067"Not Rated500White1095630A25100000
    3/4"
    0.750"1.250"0.057" to 0.067"Not Rated500White595630A25300000
    3/4"
    0.750"1.500"0.057" to 0.067"Not Rated500White595630A25400000
    3/4"
    0.780"1.630"0.298" to 0.308"Not Rated500White195630A22300000
    3/4"
    0.780"1.633"0.330" to 0.350"Not Rated500White195630A22500000
    3/4"
    0.812"1.375"0.090" to 0.112"Not Rated450White195630A9040000
    3/4"
    0.812"2.000"0.093" to 0.107"Not Rated500White195630A52000000
    3/4"
    0.812"2.250"0.057" to 0.067"Not Rated500White195630A85600000
    3/4"
    0.812"2.500"0.057" to 0.067"Not Rated500White195630A85800000
    7/8"
    0.875"1.500"0.057" to 0.067"Not Rated500White195630A5300000
    7/8"
    0.875"2.000"0.087" to 0.099"Not Rated500White195630A5310000
    1"
    1.000"2.500"0.087" to 0.099"Not Rated500White195630A22800000
    1"
    1.060"1.990"0.018" to 0.023"Not Rated500White195630A1120000
    1"
    1.060"1.990"0.045" to 0.055"Not Rated500White195630A1130000
    1"
    1.060"1.990"0.087" to 0.099"Not Rated500White195630A11400000
    1"
    1.060"1.990"0.115" to 0.135"Not Rated500White195630A1110000
    1"
    1.060"1.990"0.298" to 0.308"Not Rated500White195630A22700000
    1"
    1.062"1.370"0.018" to 0.023"Not Rated500White195630A1160000
    1"
    1.062"1.370"0.057" to 0.067"Not Rated500White195630A1170000
    1"
    1.062"1.370"0.115" to 0.135"Not Rated500White195630A1150000
    1"
    1.062"1.750"0.090" to 0.112"Not Rated450White195630A9050000
    1"
    1.062"2.000"0.057" to 0.067"Not Rated500White195630A8650000
    1"
    1.062"2.250"0.057" to 0.067"Not Rated500White195630A86600000
    1"
    1.062"2.500"0.057" to 0.067"Not Rated500White195630A86700000
    1"
    1.062"3.000"0.057" to 0.067"Not Rated500White195630A86800000
    1"
    1.130"1.370"0.045" to 0.055"Not Rated500White195630A1210000
    1"
    1.130"1.370"0.090" to 0.110"Not Rated500White195630A1180000
    1 1/8"
    1.188"1.370"0.064" to 0.076"Not Rated500White195630A1240000
    1 1/8"
    1.250"1.500"0.009" to 0.012"Not Rated500White195630A1250000
    1 1/8"
    1.250"1.500"0.087" to 0.099"Not Rated500White195630A1260000
    1 1/8"
    1.250"2.062"0.018" to 0.023"Not Rated500White195630A1280000
    1 1/8"
    1.250"2.062"0.115" to 0.135"Not Rated500White195630A1270000
    1 1/4"
    1.380"1.531"0.018" to 0.023"Not Rated500White195630A1290000
    1 1/4"
    1.380"1.531"0.057" to 0.067"Not Rated500White195630A1310000
    1 3/8"
    1.500"2.585"0.018" to 0.023"Not Rated500White195630A1330000
    1 3/8"
    1.500"2.585"0.115" to 0.135"Not Rated500White195630A1320000
    1 1/2"
    1.562"2.500"0.018" to 0.023"Not Rated500White195630A1350000
    1 1/2"
    1.562"2.500"0.115" to 0.135"Not Rated500White195630A1340000
    1 1/2"
    1.625"2.500"0.018" to 0.023"Not Rated500White195630A1370000
    1 1/2"
    1.625"2.500"0.115" to 0.135"Not Rated500White195630A1360000
    1 1/2"
    1.625"3.000"0.136" to 0.192"Not Rated450White195630A9060000
    M2
    2.2 mm5.0 mm0.7 mm to 0.9 mmNot Rated500White5095630A6100000
    M2.5
    2.7 mm5.0 mm0.3 mm to 0.5 mmNot Rated500White5095630A31000000
    M2.5
    2.7 mm6.0 mm0.4 mm to 0.6 mmNot Rated450White5095630A55800000
    M3
    3.2 mm6.0 mm0.5 mm to 0.6 mmNot Rated450White2595630A55200000
    M3
    3.2 mm8.0 mm0.7 mm to 0.9 mmNot Rated500White5095630A6200000
    M3
    3.4 mm7.0 mm0.5 mm to 0.6 mmNot Rated450White2595630A55100000
    M3.5
    3.7 mm8.0 mm0.6 mm to 0.9 mmNot Rated500White2595630A3200000
    M4
    4.3 mm8.0 mm0.4 mm to 0.6 mmNot Rated450White2595630A55900000
    M4
    4.3 mm9.0 mm0.7 mm to 0.9 mmNot Rated500White5095630A6300000
    M4
    4.6 mm12.0 mm1.4 mm to 1.8 mmNot Rated450White2595630A55300000
    M5
    5.3 mm9.0 mm0.9 mm to 1.1 mmNot Rated450White2595630A56100000
    M5
    5.3 mm10.0 mm0.9 mm to 1.1 mmNot Rated450White1095630A5540000
    M5
    5.3 mm11.0 mm0.9 mm to 1.1 mmNot Rated500White2595630A6400000
    M5
    5.6 mm15.0 mm1.8 mm to 2.2 mmNot Rated450White1095630A5550000
    M6
    6.4 mm12.0 mm1.4 mm to 1.8 mmNot Rated500White2595630A6500000
    M6
    6.8 mm17.0 mm2.7 mm to 3.5 mmNot Rated450White1095630A5560000
    M7
    7.4 mm14.0 mm1.4 mm to 1.8 mmNot Rated500White2595630A6600000
    M8
    8.4 mm15.0 mm1.4 mm to 1.8 mmNot Rated450White1095630A5620000
    M8
    8.4 mm18.0 mm1.9 mm to 2.2 mmNot Rated500White1095630A6700000
    M8
    8.7 mm16.0 mm1.4 mm to 1.8 mmNot Rated450White1095630A5570000
    M10
    10.5 mm20.0 mm1.8 mm to 2.2 mmNot Rated450White1095630A56300000
    M10
    10.5 mm22.0 mm2.4 mm to 2.7 mmNot Rated500White595630A6800000
    M12
    13.0 mm24.0 mm2.4 mm to 2.7 mmNot Rated500White595630A6900000
    M14
    15.0 mm30.0 mm2.7 mm to 3.3 mmNot Rated500White595630A7100000
    M16
    17.0 mm30.0 mm2.7 mm to 3.3 mmNot Rated500White595630A7200000
    M18
    19.0 mm34.0 mm2.7 mm to 3.3 mmNot Rated500White595630A73000000
    M20
    21.0 mm37.0 mm2.7 mm to 3.3 mmNot Rated500White595630A74000000
    M24
    25.0 mm44.0 mm1.4 mm to 1.8 mmNot Rated500White195630A3300000
    M30
    31.0 mm56.0 mm1.4 mm to 1.8 mmNot Rated500White195630A3400000
    M36
    37.0 mm66.0 mm1.4 mm to 1.8 mmNot Rated500White195630A3500000
    M39
    40.0 mm72.0 mm1.4 mm to 1.8 mmNot Rated500White195630A36000000
    M42
    43.0 mm78.0 mm1.4 mm to 1.8 mmNot Rated500White195630A37000000
     

    Mil. Spec. Plastic Washers

    Image of Product. Front orientation. Washers. Mil. Spec. Plastic Washers.
    These washers are manufactured and tested to strict U.S. military standards for material and construction. They are lightweight, nonconductive, and naturally rust resistant. Commonly used in electronics and automation applications, they take the pressure off screws and nuts to protect mounting surfaces.
    Chemical-Resistant High-Temperature PTFE—The most chemical-resistant plastic washers we offer, these stand up to the widest range of harsh acids, bases, solvents, and corrosive cleaners, even at temperatures up to 500° F. Their slippery surface reduces friction between the washer, fastener, and mounting surface to prevent sticking when tightening and loosening. They are also good electrical insulators.
    Temp.
    Range
    For Screw
    Size
    ID
    OD
    Thk.
    Min.
    Max.,
    ° F
    Specs. Met
    Color
    Pkg.
    Qty.
    Pkg.
    Chemical-Resistant High-Temperature PTFE
    1/4"
    0.265"0.500"0.057" to 0.075"Not Rated500NAS1515-M4White592150A16100000
    5/16"
    0.328"0.562"0.057" to 0.075"Not Rated500NAS1515-M5White592150A1620000
    3/8"
    0.390"0.625"0.057" to 0.075"Not Rated500NAS1515-M6White592150A16300000
    7/16"
    0.453"0.750"0.057" to 0.075"Not Rated500NAS1515-M7White592150A16400000
    1/2"
    0.515"0.875"0.057" to 0.075"Not Rated500NAS1515-M8White592150A16500000
    9/16"
    0.578"1.062"0.057" to 0.075"Not Rated500NAS1515-M9White592150A16600000
    5/8"
    0.640"1.188"0.057" to 0.075"Not Rated500NAS1515-M10White592150A16700000
    3/4"
    0.765"1.312"0.057" to 0.075"Not Rated500NAS1515-M12White592150A16800000
    7/8"
    0.890"1.500"0.057" to 0.075"Not Rated500NAS1515-M14White592150A16900000
    1"
    1.015"1.750"0.057" to 0.075"Not Rated500NAS1515-M16White592150A17100000
     
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