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    74 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.
    Stainless SteelAbout Stainless Steel
    Image of Product. Front orientation. Washers. Mil. Spec. Washers.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these washers have a dark, matte coating to create a finished look. They resist rust in wet and outdoor environments, but won't hold up to harsh chemicals as well as 316 stainless steel.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil. Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 1
    0.078"0.188"0.016" to 0.025"MS15795-801NASM1579550098019A395000000
    No. 2
    0.094"0.250"0.016" to 0.025"MS15795-802ASME B18.21.1, NASM1579550098019A30000000
    No. 4
    0.125"0.250"0.017" to 0.028"MS15795-803NASM1579550098019A30900000
    No. 4
    0.125"0.312"0.025" to 0.040"MS15795-804ASME B18.21.1, NASM1579550098019A31000000
    No. 6
    0.156"0.312"0.027" to 0.048"MS15795-805NASM1579525098019A31400000
    No. 6
    0.156"0.375"0.036" to 0.065"MS15795-806ASME B18.21.1, NASM1579525098019A31500000
    No. 8
    0.188"0.375"0.036" to 0.065"MS15795-807NASM1579525098019A32500000
    No. 8
    0.188"0.438"0.036" to 0.065"MS15795-841ASME B18.21.1, NASM1579512598019A32600000
    No. 10
    0.219"0.438"0.036" to 0.065"MS15795-808NASM1579525098019A33000000
    No. 10
    0.219"0.500"0.036" to 0.065"MS15795-842ASME B18.21.1, NASM1579510098019A33300000
    No. 12
    0.250"0.562"0.051" to 0.080"MS15795-809ASME B18.21.1, NASM1579510098019A33500000
    1/4"
    0.281"0.625"0.051" to 0.080"MS15795-810ASME B18.21.1, NASM157955098019A35500000
    1/4"
    0.312"0.734"0.051" to 0.080"MS15795-811ASME B18.21.1, NASM157952598019A36000000
    5/16"
    0.344"0.688"0.051" to 0.080"MS15795-812ASME B18.21.1, NASM157952598019A3850000
    5/16"
    0.375"0.875"0.064" to 0.104"MS15795-813NASM157952598019A39000000
    3/8"
    0.406"0.812"0.051" to 0.080"MS15795-814ASME B18.21.1, NASM157955098019A39900000
    3/8"
    0.438"1.000"0.064" to 0.104"MS15795-815ASME B18.21.1, NASM157951098019A5000000
    7/16"
    0.469"0.922"0.051" to 0.080"MS15795-816ASME B18.21.1, NASM157952598019A50200000
    7/16"
    0.500"1.250"0.064" to 0.104"MS15795-817ASME B18.21.1, NASM157951098019A50500000
    1/2"
    0.531"1.062"0.074" to 0.121"MS15795-818ASME B18.21.1, NASM157951098019A50900000
    1/2"
    0.562"1.375"0.086" to 0.132"MS15795-819ASME B18.21.1, NASM157951098019A51000000
    5/8"
    0.656"1.312"0.074" to 0.121"MS15795-820ASME B18.21.1, NASM157951098019A51400000
    5/8"
    0.688"1.750"0.108" to 0.160"MS15795-821ASME B18.21.1, NASM15795598019A51500000
    3/4"
    0.812"1.469"0.108" to 0.160"MS15795-822ASME B18.21.1, NASM15795598019A51900000
    3/4"
    0.812"2.000"0.122" to 0.177"MS15795-823ASME B18.21.1, NASM15795598019A52000000
    7/8"
    0.938"1.750"0.108" to 0.160"MS15795-824ASME B18.21.1, NASM15795598019A52400000
    7/8"
    0.938"2.250"0.136" to 0.192"MS15795-825ASME B18.21.1, NASM15795198019A5250000
    1"
    1.062"2.000"0.108" to 0.160"MS15795-826ASME B18.21.1, NASM15795198019A5290000
    1"
    1.062"2.500"0.136" to 0.192"MS15795-827ASME B18.21.1, NASM15795198019A5300000
     
    Black-Oxide 18-8 Stainless Steel
    No. 1
    0.078"0.188"0.016" to 0.025"MS15795-801BNASM1579510090618A11100000
    No. 2
    0.094"0.218"0.018" to 0.022"MS15795-844BNASM1579510090618A11300000
    No. 2
    0.094"0.250"0.016" to 0.025"MS15795-802BASME B18.21.1, NASM1579510090618A11200000
    No. 4
    0.125"0.250"0.017" to 0.028"MS15795-803BNASM1579510090618A2000000
    No. 4
    0.125"0.312"0.025" to 0.040"MS15795-804BASME B18.21.1, NASM1579510090618A11400000
    No. 6
    0.156"0.312"0.027" to 0.048"MS15795-805BNASM1579510090618A3000000
    No. 6
    0.156"0.375"0.036" to 0.065"MS15795-806BASME B18.21.1, NASM1579510090618A11500000
    No. 6
    0.172"0.281"0.029" to 0.039"MS15795-845BNASM1579510090618A11600000
    No. 6
    0.172"0.312"0.029" to 0.039"MS15795-856BNASM1579510090618A11700000
    No. 8
    0.188"0.375"0.036" to 0.065"MS15795-807BNASM1579510090618A40000000
    No. 8
    0.188"0.438"0.036" to 0.065"MS15795-841BASME B18.21.1, NASM1579510090618A11800000
    No. 10
    0.203"0.375"0.019" to 0.021"MS15795-846BNASM1579510090618A11900000
    No. 10
    0.203"0.562"0.029" to 0.035"MS15795-847BNASM1579510090618A12200000
    No. 10
    0.203"0.562"0.057" to 0.069"MS15795-848BNASM157955090618A12300000
    No. 10
    0.203"0.625"0.035" to 0.045"MS15795-849BNASM157955090618A1240000
    No. 10
    0.203"0.734"0.025" to 0.045"MS15795-857BNASM157955090618A12500000
    No. 10
    0.203"1.062"0.017" to 0.023"MS15795-850BNASM157951090618A12600000
    No. 10
    0.219"0.438"0.036" to 0.065"MS15795-808BNASM1579510090618A50000000
    No. 10
    0.219"0.500"0.036" to 0.065"MS15795-842BASME B18.21.1, NASM1579510090618A12100000
    1/4"
    0.250"0.562"0.051" to 0.080"MS15795-809BNASM1579510090618A12900000
    1/4"
    0.250"0.688"0.065" to 0.075"MS15795-851BNASM157952590618A13200000
    1/4"
    0.266"0.458"0.028" to 0.046"MS15795-858BNASM1579510090618A12800000
    1/4"
    0.266"0.625"0.026" to 0.036"MS15795-852BNASM1579510090618A13100000
    1/4"
    0.266"0.688"0.046" to 0.054"MS15795-853BNASM157955090618A13300000
    1/4"
    0.281"0.625"0.051" to 0.080"MS15795-810BASME B18.21.1, NASM157955090618A60000000
    1/4"
    0.296"0.438"0.029" to 0.035"MS15795-854BNASM1579510090618A12700000
    5/16"
    0.312"0.734"0.051" to 0.080"MS15795-811BNASM157955090618A13400000
    5/16"
    0.344"0.688"0.051" to 0.080"MS15795-812BASME B18.21.1, NASM157955090618A70000000
    3/8"
    0.375"0.875"0.064" to 0.104"MS15795-813BNASM157952590618A13500000
    3/8"
    0.406"0.812"0.051" to 0.080"MS15795-814BASME B18.21.1, NASM157955090618A80000000
    7/16"
    0.438"1.000"0.064" to 0.104"MS15795-815BNASM157952590618A13600000
    7/16"
    0.469"0.922"0.051" to 0.080"MS15795-816BASME B18.21.1, NASM157952590618A13700000
    1/2"
    0.500"1.250"0.064" to 0.104"MS15795-817BNASM157951090618A13800000
    1/2"
    0.531"1.062"0.074" to 0.121"MS15795-818BASME B18.21.1, NASM157951090618A90000000
    1/2"
    0.531"1.250"0.090" to 0.112"MS15795-855BNASM157951090618A13900000
    1/2"
    0.562"1.375"0.086" to 0.132"MS15795-819BASME B18.21.1, NASM15795590618A14100000
    9/16"
    0.594"1.469"0.090" to 0.112"MS15795-843BNASM15795590618A14200000
    5/8"
    0.656"1.312"0.074" to 0.121"MS15795-820BASME B18.21.1, NASM15795590618A14300000
    3/4"
    0.812"1.469"0.108" to 0.160"MS15795-822BASME B18.21.1, NASM15795590618A14400000
    3/4"
    0.812"2.000"0.122" to 0.177"MS15795-823BASME B18.21.1, NASM15795590618A14500000
    7/8"
    0.938"1.750"0.108" to 0.160"MS15795-824BASME B18.21.1, NASM15795590618A14600000
    7/8"
    0.938"2.250"0.136" to 0.192"MS15795-825BASME B18.21.1, NASM15795190618A1470000
    1"
    1.062"2.000"0.108" to 0.160"MS15795-826BASME B18.21.1, NASM15795190618A1480000
    1"
    1.062"2.500"0.136" to 0.192"MS15795-827BASME B18.21.1, NASM15795190618A1490000
    1 1/8"
    1.250"2.750"0.136" to 0.192"MS15795-828BASME B18.21.1, NASM15795190618A15100000
     
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