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    59 Products

    Mil. Spec. Washers
    3D CAD models available

    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. 1
    0.078"0.188"0.016" to 0.025"MS27183-1__10000000000000000
    No. 2
    0.094"0.250"0.016" to 0.025"MS27183-2ASME B18.21.11000000000000000
    No. 3
    0.125"0.250"0.017" to 0.028"MS27183-3__1000000000000000
    No. 4
    0.125"0.312"0.025" to 0.040"MS27183-4ASME B18.21.11000000000000000
    No. 4
    0.125"0.375"0.025" to 0.040"MS27183-44__1000000000000000
    No. 5
    0.141"0.281"0.025" to 0.040"MS27183-45__1000000000000000
    No. 6
    0.156"0.250"0.013" to 0.020"MS27183-43__1000000000000000
    No. 6
    0.156"0.312"0.027" to 0.048"MS27183-5__1000000000000000
    No. 6
    0.156"0.375"0.036" to 0.065"MS27183-6ASME B18.21.11000000000000000
    No. 8
    0.188"0.375"0.036" to 0.065"MS27183-7__1000000000000000
    No. 8
    0.188"0.438"0.036" to 0.065"MS27183-41ASME B18.21.110000000000000000
    No. 8
    0.188"0.500"0.051" to 0.080"MS27183-46__1000000000000000
    No. 10
    0.219"0.365"0.025" to 0.040"MS27183-47__1000000000000000
    No. 10
    0.219"0.438"0.036" to 0.065"MS27183-8__1000000000000000
    No. 10
    0.219"0.500"0.036" to 0.065"MS27183-42ASME B18.21.110000000000000000
    No. 12
    0.250"0.562"0.025" to 0.040"MS27183-49__1000000000000000
    No. 12
    0.250"0.562"0.051" to 0.080"MS27183-9ASME B18.21.110000000000000000
    No. 12
    0.250"0.625"0.025" to 0.040"MS27183-50__10000000000000000
    No. 12
    0.250"0.938"0.051" to 0.080"MS27183-48__250000000000000
    No. 12
    0.250"1.000"0.051" to 0.080"MS27183-51__250000000000000
    1/4"
    0.281"0.625"0.051" to 0.080"MS27183-10ASME B18.21.110000000000000000
    1/4"
    0.281"0.734"0.051" to 0.080"MS27183-52__10000000000000000
    1/4"
    0.312"0.500"0.027" to 0.048"MS27183-54__5000000000000000
    1/4"
    0.312"0.875"0.051" to 0.075"MS27183-53__2500000000000000
    1/4"
    0.313"0.734"0.051" to 0.080"MS27183-11ASME B18.21.15000000000000000
    5/16"
    0.344"0.688"0.051" to 0.080"MS27183-12ASME B18.21.110000000000000000
    5/16"
    0.375"0.625"0.027" to 0.048"MS27183-56__500000000000000
    5/16"
    0.375"0.734"0.064" to 0.094"MS27183-55__5000000000000000
    5/16"
    0.375"0.875"0.064" to 0.104"MS27183-13ASME B18.21.1500000000000000
    3/8"
    0.406"0.812"0.051" to 0.080"MS27183-14ASME B18.21.1500000000000000
    3/8"
    0.406"0.875"0.051" to 0.070"MS27183-57__5000000000000000
    3/8"
    0.412"0.625"0.025" to 0.040"MS27183-58__500000000000000
    3/8"
    0.438"0.875"0.051" to 0.080"MS27183-60__5000000000000000
    3/8"
    0.438"1.365"0.064" to 0.104"MS27183-59__1000000000000000
    3/8"
    0.438"1.625"0.051" to 0.104"MS27183-61__1000000000000000
    7/16"
    0.438"1.000"0.064" to 0.104"MS27183-15__5000000000000000
    7/16"
    0.469"0.734"0.051" to 0.080"MS27183-62__5000000000000000
    7/16"
    0.469"0.922"0.051" to 0.080"MS27183-16ASME B18.21.15000000000000000
    7/16"
    0.500"1.250"0.064" to 0.104"MS27183-17ASME B18.21.15000000000000000
    1/2"
    0.531"1.062"0.074" to 0.121"MS27183-18ASME B18.21.12500000000000000
    1/2"
    0.562"1.375"0.086" to 0.132"MS27183-19ASME B18.21.1100000000000000
    9/16"
    0.594"1.156"0.074" to 0.121"MS27183-20ASME B18.21.12500000000000000
    5/8"
    0.656"1.312"0.074" to 0.121"MS27183-21ASME B18.21.12500000000000000
    5/8"
    0.656"2.125"0.080" to 0.115"MS27183-63__500000000000000
    5/8"
    0.688"1.750"0.108" to 0.160"MS27183-22ASME B18.21.11000000000000000
    3/4"
    0.812"1.469"0.108" to 0.160"MS27183-23ASME B18.21.11000000000000000
    3/4"
    0.812"2.000"0.122" to 0.177"MS27183-24ASME B18.21.1500000000000000
    7/8"
    0.938"1.750"0.108" to 0.160"MS27183-25ASME B18.21.11000000000000000
    7/8"
    0.938"2.250"0.136" to 0.192"MS27183-26ASME B18.21.1500000000000000
    1"
    1.062"2.000"0.108" to 0.160"MS27183-27ASME B18.21.11000000000000000
    1"
    1.062"2.500"0.136" to 0.192"MS27183-28ASME B18.21.110000000000000
    1 1/8"
    1.250"2.750"0.136" to 0.192"MS27183-29ASME B18.21.110000000000000
    1 1/4"
    1.375"3.000"0.136" to 0.192"MS27183-30ASME B18.21.110000000000000
    1 3/8"
    1.500"3.250"0.153" to 0.213"MS27183-31ASME B18.21.110000000000000
    1 1/2"
    1.625"3.500"0.153" to 0.213"MS27183-32ASME B18.21.110000000000000
    1 5/8"
    1.750"3.750"0.153" to 0.213"MS27183-33ASME B18.21.1100000000000000
    1 3/4"
    1.875"4.000"0.153" to 0.213"MS27183-34ASME B18.21.1100000000000000
    1 7/8"
    2.000"4.250"0.153" to 0.213"MS27183-35ASME B18.21.1100000000000000
    2"
    2.125"4.500"0.153" to 0.213"MS27183-36ASME B18.21.1100000000000000
     
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