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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-DN016H2594589A611000000
    No. 0
    0.068"0.188"0.028" to 0.036"NAS1149-DN032H2594589A61200000
    No. 2
    0.099"0.250"0.013" to 0.019"AN960-D2LNAS1149-DN216H10094589A61300000
    No. 2
    0.099"0.250"0.028" to 0.036"AN960-D2NAS1149-DN232H10094589A61400000
    No. 3
    0.105"0.250"0.013" to 0.019"AN960-D3LNAS1149-DN316H10094589A61500000
    No. 3
    0.105"0.250"0.028" to 0.036"AN960-D3NAS1149-DN332H10094589A61600000
    No. 4
    0.125"0.312"0.013" to 0.019"AN960-D4LNAS1149-DN416H10094589A61700000
    No. 4
    0.125"0.312"0.028" to 0.036"AN960-D4NAS1149-DN432H10094589A61800000
    No. 5
    0.140"0.438"0.013" to 0.019"NAS1149-DN516H10094589A61900000
    No. 5
    0.140"0.438"0.028" to 0.036"NAS1149-DN532H10094589A62100000
    No. 6
    0.149"0.375"0.013" to 0.019"AN960-D6LNAS1149-DN616H10094589A62200000
    No. 6
    0.149"0.375"0.028" to 0.036"AN960-D6NAS1149-DN632H10094589A62300000
    No. 8
    0.174"0.375"0.013" to 0.019"AN960-D8LNAS1149-DN816H10094589A62400000
    No. 8
    0.174"0.375"0.028" to 0.036"AN960-D8NAS1149-DN832H10094589A62500000
    No. 10
    0.203"0.438"0.013" to 0.019"AN960-D10LLNAS1149-D0316H10094589A62600000
    No. 10
    0.203"0.438"0.028" to 0.036"AN960-D10LNAS1149-D0332H10094589A62700000
    No. 10
    0.203"0.438"0.057" to 0.069"AN960-D10NAS1149-D0363H5094589A62800000
    No. 12
    0.234"0.625"0.059" to 0.071"AN960-D11NAS1149-D1165H5094589A62900000
    1/4"
    0.265"0.500"0.013" to 0.019"AN960-D416LNAS1149-D0416H5094589A63100000
    1/4"
    0.265"0.500"0.028" to 0.036"NAS1149-D0432H5094589A63200000
    1/4"
    0.265"0.500"0.057" to 0.069"AN960-D416NAS1149-D0463H5094589A63300000
    5/16"
    0.328"0.562"0.013" to 0.019"AN960-D516LNAS1149-D0516H5094589A63400000
    5/16"
    0.328"0.562"0.028" to 0.036"NAS1149-D0532H5094589A63600000
    5/16"
    0.328"0.562"0.057" to 0.069"AN960-D516NAS1149-D0563H5094589A63700000
    3/8"
    0.390"0.625"0.013" to 0.019"AN960-D616LNAS1149-D0616H5094589A63800000
    3/8"
    0.390"0.625"0.028" to 0.036"NAS1149-D0632H5094589A63900000
    3/8"
    0.390"0.625"0.057" to 0.069"AN960-D616NAS1149-D0663H5094589A64100000
    7/16"
    0.453"0.750"0.013" to 0.019"AN960-D716LNAS1149-D0716H5094589A64200000
    7/16"
    0.453"0.750"0.028" to 0.036"NAS1149-D0732H5094589A64300000
    7/16"
    0.453"0.750"0.057" to 0.069"AN960-D716NAS1149-D0763H5094589A64400000
    1/2"
    0.515"0.875"0.013" to 0.019"AN960-D816LNAS1149-D0816H2594589A6450000
    1/2"
    0.515"0.875"0.028" to 0.036"NAS1149-D0832H5094589A64600000
    1/2"
    0.515"0.875"0.057" to 0.069"AN960-D816NAS1149-D0863H2594589A64700000
    9/16"
    0.578"1.062"0.013" to 0.019"AN960-D916LNAS1149-D0916H2594589A64800000
    9/16"
    0.578"1.062"0.057" to 0.069"AN960-D916NAS1149-D0963H2094589A64900000
    5/8"
    0.640"1.188"0.013" to 0.019"AN960-D1016LNAS1149-D1016H2594589A65100000
    5/8"
    0.640"1.188"0.028" to 0.036"NAS1149-D1032H2594589A65200000
    5/8"
    0.640"1.188"0.057" to 0.069"AN960-D1016NAS1149-D1063H2094589A65300000
    3/4"
    0.765"1.312"0.013" to 0.019"AN960-D1216LNAS1149-D1216H2594589A65400000
    3/4"
    0.765"1.312"0.083" to 0.097"AN960-D1216NAS1149-D1290H1094589A65500000
    7/8"
    0.890"1.500"0.013" to 0.019"AN960-D416LNAS1149-D1416H2094589A65600000
    7/8"
    0.890"1.500"0.083" to 0.097"AN960-D416NAS1149-D1490H1094589A65700000
    1"
    1.015"1.750"0.013" to 0.019"AN960-D1616LNAS1149-D1616H2094589A65800000
    1"
    1.015"1.750"0.028" to 0.036"NAS1149-D1632H1094589A6590000
    1"
    1.015"1.750"0.083" to 0.097"AN960-D1616NAS1149-D1690H594589A6610000
    1 1/16"
    1.078"1.812"0.013" to 0.019"AN960-D1716LNAS1149-D1716H1094589A6620000
    1 1/16"
    1.078"1.812"0.083" to 0.097"AN960-D1716NAS1149-D1790H594589A6630000
    1 1/8"
    1.140"1.875"0.013" to 0.019"AN960-D1816LNAS1149-D1816H1094589A6640000
    1 1/8"
    1.140"1.875"0.028" to 0.036"NAS1149-D1832H1094589A66500000
    1 1/8"
    1.140"1.875"0.083" to 0.097"AN960-D1816NAS1149-D1890H594589A6660000
    1 5/8"
    1.640"2.375"0.083" to 0.097"AN960-D2616NAS1149-D2690H594589A66700000
     
    High-Strength Zinc-Yellow-Chromate-Plated 2024 Aluminum
    No. 2
    0.099"0.250"0.013" to 0.019"AN960-JD2LNAS1149-DN216J10099018A11100000
    No. 3
    0.105"0.250"0.013" to 0.019"AN960-JD3LNAS1149-DN316J10099018A11200000
    No. 3
    0.105"0.250"0.028" to 0.036"AN960-JD3NAS1149-DN332J10099018A11300000
    No. 4
    0.125"0.313"0.013" to 0.019"AN960-JD4LNAS1149-DN416J10094589A1500000
    No. 4
    0.125"0.313"0.028" to 0.036"AN960-JD4NAS1149-DN432J10094589A1600000
    No. 5
    0.140"0.438"0.013" to 0.019"NAS1149-DN516J10099018A11600000
    No. 5
    0.140"0.438"0.028" to 0.036"NAS1149-DN532J10099018A11700000
    No. 6
    0.149"0.375"0.013" to 0.019"AN960-JD6LNAS1149-DN616J10094589A2000000
    No. 6
    0.149"0.375"0.028" to 0.036"AN960-JD6NAS1149-DN632J10094589A2100000
    No. 8
    0.174"0.375"0.013" to 0.019"AN960-JD8LNAS1149-DN816J10094589A2200000
    No. 8
    0.174"0.375"0.028" to 0.036"AN960-JD8NAS1149-DN832J10094589A23000000
    No. 10
    0.203"0.438"0.013" to 0.019"AN960-JD10LLNAS1149-D0316J10099018A12300000
    No. 10
    0.203"0.438"0.028" to 0.036"AN960-JD10LNAS1149-D0332J10094589A2600000
    No. 10
    0.203"0.438"0.057" to 0.069"AN960-JD10NAS1149-D0363J10094589A27000000
    1/4"
    0.265"0.500"0.013" to 0.019"AN960-JD416LNAS1149-D0416J5099018A1260000
    1/4"
    0.265"0.500"0.028" to 0.036"NAS1149-D0432J10094589A30000000
    1/4"
    0.265"0.500"0.057" to 0.069"AN960-JD416NAS1149-D0463J5094589A3100000
    5/16"
    0.328"0.562"0.028" to 0.036"NAS1149-D0532J5099018A12900000
    5/16"
    0.328"0.563"0.013" to 0.019"AN960-JD516LNAS1149-D0516J5094589A3200000
    5/16"
    0.328"0.563"0.057" to 0.069"AN960-JD516NAS1149-D0563J5094589A34000000
    3/8"
    0.390"0.625"0.013" to 0.019"AN960-JD616LNAS1149-D0616J5094589A3500000
    3/8"
    0.390"0.625"0.028" to 0.036"NAS1149-D0632J2599018A1330000
    3/8"
    0.390"0.625"0.057" to 0.069"AN960-JD616NAS1149-D0663J2594589A3700000
    7/16"
    0.453"0.750"0.013" to 0.019"AN960-JD716LNAS1149-D0716J5099018A13500000
    7/16"
    0.453"0.750"0.028" to 0.036"NAS1149-D0732J2099018A13600000
    7/16"
    0.453"0.750"0.057" to 0.069"AN960-JD716NAS1149-D0763J2599018A13700000
    1/2"
    0.515"0.875"0.013" to 0.019"AN960-JD816LNAS1149-D0816J2099018A13800000
    1/2"
    0.515"0.875"0.028" to 0.036"NAS1149-D0832J2594589A4200000
    1/2"
    0.515"0.875"0.057" to 0.069"AN960-JD816NAS1149-D0863J2594589A43000000
    9/16"
    0.578"1.062"0.013" to 0.019"AN960-JD916LNAS1149-D0916J2099018A14200000
    9/16"
    0.578"1.062"0.028" to 0.036"NAS1149-D0932J1099018A1430000
    9/16"
    0.578"1.062"0.057" to 0.069"AN960-JD916NAS1149-D0963J1099018A1440000
    5/8"
    0.640"1.188"0.013" to 0.019"AN960-JD1016LNAS1149-D1016J2099018A14500000
    5/8"
    0.640"1.188"0.028" to 0.036"NAS1149-D1032J1099018A14600000
    5/8"
    0.640"1.188"0.057" to 0.069"AN960-JD1016NAS1149-D1063J1099018A14700000
    3/4"
    0.765"1.312"0.013" to 0.019"AN960-JD1216LNAS1149-D1216J1099018A14800000
    3/4"
    0.765"1.312"0.028" to 0.036"NAS1149-D1232J1099018A14900000
    3/4"
    0.765"1.312"0.083" to 0.097"AN960-JD1216NAS1149-D1290J599018A15100000
    7/8"
    0.890"1.500"0.013" to 0.019"AN960-JD1416LNAS1149-D1416J1099018A15200000
    7/8"
    0.890"1.500"0.028" to 0.036"NAS1149-D1432J1099018A15300000
    7/8"
    0.890"1.500"0.083" to 0.097"AN960-JD1416NAS1149-D1490J599018A15400000
    1"
    1.015"1.750"0.013" to 0.019"AN960-JD1616LNAS1149-D1616J1099018A15500000
    1"
    1.015"1.750"0.028" to 0.036"NAS1149-D1632J599018A1560000
    1 1/16"
    1.078"1.812"0.013" to 0.019"AN960-JD1716LNAS1149-D1716J599018A1570000
    1 1/16"
    1.078"1.812"0.028" to 0.036"NAS1149-D1732J599018A1580000
    1 1/16"
    1.078"1.812"0.083" to 0.097"NAS1149-D1790J599018A15900000
    1 1/8"
    1.140"1.875"0.013" to 0.019"AN960-JD1816LNAS1149-D1816J599018A1610000
    1 5/16"
    1.328"2.062"0.013" to 0.019"AN960-JD2116LNAS1149-D2116J1099018A1620000
     
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