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    99 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.
    AluminumAbout Aluminum
    Image of Product. Front orientation. Washers. Mil. Spec. Washers.
    One-third the weight of steel, these washers are commonly used in robotics, automation, and other applications that have weight limits. They're an alternative to stainless steel for rust resistance.
    High-Strength 2024 Aluminum—The strongest aluminum washers we offer, these are comparable in strength to steel.
    High-Strength Zinc-Yellow-Chromate-Plated 2024 Aluminum—A winning combination of strength and corrosion resistance. These washers are as strong as steel and withstand rust better than unplated 2024 aluminum.
    For Screw
    Size
    ID
    OD
    Thk.
    Mil. Spec.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    High-Strength 2024 Aluminum
    No. 0
    0.068"0.188"0.013" to 0.019"NAS1149-DN016H25000000000000000
    No. 0
    0.068"0.188"0.028" to 0.036"NAS1149-DN032H2500000000000000
    No. 2
    0.099"0.250"0.013" to 0.019"AN960-D2LNAS1149-DN216H10000000000000000
    No. 2
    0.099"0.250"0.028" to 0.036"AN960-D2NAS1149-DN232H10000000000000000
    No. 3
    0.105"0.250"0.013" to 0.019"AN960-D3LNAS1149-DN316H10000000000000000
    No. 3
    0.105"0.250"0.028" to 0.036"AN960-D3NAS1149-DN332H10000000000000000
    No. 4
    0.125"0.312"0.013" to 0.019"AN960-D4LNAS1149-DN416H10000000000000000
    No. 4
    0.125"0.312"0.028" to 0.036"AN960-D4NAS1149-DN432H10000000000000000
    No. 5
    0.140"0.438"0.013" to 0.019"NAS1149-DN516H10000000000000000
    No. 5
    0.140"0.438"0.028" to 0.036"NAS1149-DN532H10000000000000000
    No. 6
    0.149"0.375"0.013" to 0.019"AN960-D6LNAS1149-DN616H10000000000000000
    No. 6
    0.149"0.375"0.028" to 0.036"AN960-D6NAS1149-DN632H10000000000000000
    No. 8
    0.174"0.375"0.013" to 0.019"AN960-D8LNAS1149-DN816H10000000000000000
    No. 8
    0.174"0.375"0.028" to 0.036"AN960-D8NAS1149-DN832H10000000000000000
    No. 10
    0.203"0.438"0.013" to 0.019"AN960-D10LLNAS1149-D0316H10000000000000000
    No. 10
    0.203"0.438"0.028" to 0.036"AN960-D10LNAS1149-D0332H10000000000000000
    No. 10
    0.203"0.438"0.057" to 0.069"AN960-D10NAS1149-D0363H500000000000000
    No. 12
    0.234"0.625"0.059" to 0.071"AN960-D11NAS1149-D1165H5000000000000000
    1/4"
    0.265"0.500"0.013" to 0.019"AN960-D416LNAS1149-D0416H500000000000000
    1/4"
    0.265"0.500"0.028" to 0.036"NAS1149-D0432H500000000000000
    1/4"
    0.265"0.500"0.057" to 0.069"AN960-D416NAS1149-D0463H500000000000000
    5/16"
    0.328"0.562"0.013" to 0.019"AN960-D516LNAS1149-D0516H5000000000000000
    5/16"
    0.328"0.562"0.028" to 0.036"NAS1149-D0532H500000000000000
    5/16"
    0.328"0.562"0.057" to 0.069"AN960-D516NAS1149-D0563H5000000000000000
    3/8"
    0.390"0.625"0.013" to 0.019"AN960-D616LNAS1149-D0616H500000000000000
    3/8"
    0.390"0.625"0.028" to 0.036"NAS1149-D0632H5000000000000000
    3/8"
    0.390"0.625"0.057" to 0.069"AN960-D616NAS1149-D0663H5000000000000000
    7/16"
    0.453"0.750"0.013" to 0.019"AN960-D716LNAS1149-D0716H500000000000000
    7/16"
    0.453"0.750"0.028" to 0.036"NAS1149-D0732H5000000000000000
    7/16"
    0.453"0.750"0.057" to 0.069"AN960-D716NAS1149-D0763H5000000000000000
    1/2"
    0.515"0.875"0.013" to 0.019"AN960-D816LNAS1149-D0816H250000000000000
    1/2"
    0.515"0.875"0.028" to 0.036"NAS1149-D0832H5000000000000000
    1/2"
    0.515"0.875"0.057" to 0.069"AN960-D816NAS1149-D0863H2500000000000000
    9/16"
    0.578"1.062"0.013" to 0.019"AN960-D916LNAS1149-D0916H2500000000000000
    9/16"
    0.578"1.062"0.057" to 0.069"AN960-D916NAS1149-D0963H2000000000000000
    5/8"
    0.640"1.188"0.013" to 0.019"AN960-D1016LNAS1149-D1016H2500000000000000
    5/8"
    0.640"1.188"0.028" to 0.036"NAS1149-D1032H2500000000000000
    5/8"
    0.640"1.188"0.057" to 0.069"AN960-D1016NAS1149-D1063H2000000000000000
    3/4"
    0.765"1.312"0.013" to 0.019"AN960-D1216LNAS1149-D1216H2500000000000000
    3/4"
    0.765"1.312"0.083" to 0.097"AN960-D1216NAS1149-D1290H1000000000000000
    7/8"
    0.890"1.500"0.013" to 0.019"AN960-D416LNAS1149-D1416H2000000000000000
    7/8"
    0.890"1.500"0.083" to 0.097"AN960-D416NAS1149-D1490H1000000000000000
    1"
    1.015"1.750"0.013" to 0.019"AN960-D1616LNAS1149-D1616H2000000000000000
    1"
    1.015"1.750"0.028" to 0.036"NAS1149-D1632H1000000000000000
    1"
    1.015"1.750"0.083" to 0.097"AN960-D1616NAS1149-D1690H50000000000000
    1 1/16"
    1.078"1.812"0.013" to 0.019"AN960-D1716LNAS1149-D1716H100000000000000
    1 1/16"
    1.078"1.812"0.083" to 0.097"AN960-D1716NAS1149-D1790H500000000000000
    1 1/8"
    1.140"1.875"0.013" to 0.019"AN960-D1816LNAS1149-D1816H100000000000000
    1 1/8"
    1.140"1.875"0.028" to 0.036"NAS1149-D1832H1000000000000000
    1 1/8"
    1.140"1.875"0.083" to 0.097"AN960-D1816NAS1149-D1890H500000000000000
    1 5/8"
    1.640"2.375"0.083" to 0.097"AN960-D2616NAS1149-D2690H500000000000000
     
    High-Strength Zinc-Yellow-Chromate-Plated 2024 Aluminum
    No. 2
    0.099"0.250"0.013" to 0.019"AN960-JD2LNAS1149-DN216J10000000000000000
    No. 3
    0.105"0.250"0.013" to 0.019"AN960-JD3LNAS1149-DN316J10000000000000000
    No. 3
    0.105"0.250"0.028" to 0.036"AN960-JD3NAS1149-DN332J10000000000000000
    No. 4
    0.125"0.313"0.013" to 0.019"AN960-JD4LNAS1149-DN416J1000000000000000
    No. 4
    0.125"0.313"0.028" to 0.036"AN960-JD4NAS1149-DN432J1000000000000000
    No. 5
    0.140"0.438"0.013" to 0.019"NAS1149-DN516J10000000000000000
    No. 5
    0.140"0.438"0.028" to 0.036"NAS1149-DN532J10000000000000000
    No. 6
    0.149"0.375"0.013" to 0.019"AN960-JD6LNAS1149-DN616J1000000000000000
    No. 6
    0.149"0.375"0.028" to 0.036"AN960-JD6NAS1149-DN632J1000000000000000
    No. 8
    0.174"0.375"0.013" to 0.019"AN960-JD8LNAS1149-DN816J1000000000000000
    No. 8
    0.174"0.375"0.028" to 0.036"AN960-JD8NAS1149-DN832J1000000000000000
    No. 10
    0.203"0.438"0.013" to 0.019"AN960-JD10LLNAS1149-D0316J10000000000000000
    No. 10
    0.203"0.438"0.028" to 0.036"AN960-JD10LNAS1149-D0332J1000000000000000
    No. 10
    0.203"0.438"0.057" to 0.069"AN960-JD10NAS1149-D0363J1000000000000000
    1/4"
    0.265"0.500"0.013" to 0.019"AN960-JD416LNAS1149-D0416J500000000000000
    1/4"
    0.265"0.500"0.028" to 0.036"NAS1149-D0432J1000000000000000
    1/4"
    0.265"0.500"0.057" to 0.069"AN960-JD416NAS1149-D0463J500000000000000
    5/16"
    0.328"0.562"0.028" to 0.036"NAS1149-D0532J5000000000000000
    5/16"
    0.328"0.563"0.013" to 0.019"AN960-JD516LNAS1149-D0516J500000000000000
    5/16"
    0.328"0.563"0.057" to 0.069"AN960-JD516NAS1149-D0563J500000000000000
    3/8"
    0.390"0.625"0.013" to 0.019"AN960-JD616LNAS1149-D0616J500000000000000
    3/8"
    0.390"0.625"0.028" to 0.036"NAS1149-D0632J250000000000000
    3/8"
    0.390"0.625"0.057" to 0.069"AN960-JD616NAS1149-D0663J250000000000000
    7/16"
    0.453"0.750"0.013" to 0.019"AN960-JD716LNAS1149-D0716J5000000000000000
    7/16"
    0.453"0.750"0.028" to 0.036"NAS1149-D0732J2000000000000000
    7/16"
    0.453"0.750"0.057" to 0.069"AN960-JD716NAS1149-D0763J2500000000000000
    1/2"
    0.515"0.875"0.013" to 0.019"AN960-JD816LNAS1149-D0816J2000000000000000
    1/2"
    0.515"0.875"0.028" to 0.036"NAS1149-D0832J250000000000000
    1/2"
    0.515"0.875"0.057" to 0.069"AN960-JD816NAS1149-D0863J2500000000000000
    9/16"
    0.578"1.062"0.013" to 0.019"AN960-JD916LNAS1149-D0916J2000000000000000
    9/16"
    0.578"1.062"0.028" to 0.036"NAS1149-D0932J100000000000000
    9/16"
    0.578"1.062"0.057" to 0.069"AN960-JD916NAS1149-D0963J100000000000000
    5/8"
    0.640"1.188"0.013" to 0.019"AN960-JD1016LNAS1149-D1016J2000000000000000
    5/8"
    0.640"1.188"0.028" to 0.036"NAS1149-D1032J1000000000000000
    5/8"
    0.640"1.188"0.057" to 0.069"AN960-JD1016NAS1149-D1063J1000000000000000
    3/4"
    0.765"1.312"0.013" to 0.019"AN960-JD1216LNAS1149-D1216J1000000000000000
    3/4"
    0.765"1.312"0.028" to 0.036"NAS1149-D1232J1000000000000000
    3/4"
    0.765"1.312"0.083" to 0.097"AN960-JD1216NAS1149-D1290J500000000000000
    7/8"
    0.890"1.500"0.013" to 0.019"AN960-JD1416LNAS1149-D1416J1000000000000000
    7/8"
    0.890"1.500"0.028" to 0.036"NAS1149-D1432J1000000000000000
    7/8"
    0.890"1.500"0.083" to 0.097"AN960-JD1416NAS1149-D1490J500000000000000
    1"
    1.015"1.750"0.013" to 0.019"AN960-JD1616LNAS1149-D1616J1000000000000000
    1"
    1.015"1.750"0.028" to 0.036"NAS1149-D1632J50000000000000
    1 1/16"
    1.078"1.812"0.013" to 0.019"AN960-JD1716LNAS1149-D1716J50000000000000
    1 1/16"
    1.078"1.812"0.028" to 0.036"NAS1149-D1732J50000000000000
    1 1/16"
    1.078"1.812"0.083" to 0.097"NAS1149-D1790J500000000000000
    1 1/8"
    1.140"1.875"0.013" to 0.019"AN960-JD1816LNAS1149-D1816J50000000000000
    1 5/16"
    1.328"2.062"0.013" to 0.019"AN960-JD2116LNAS1149-D2116J1000000000000000
     
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