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    32 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.
    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.
    For Screw
    Size
    ID
    OD
    Thk.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 0
    0.063"0.099"0.015" to 0.018"NAS620C0250000000000000000
    No. 2
    0.089"0.149"0.015" to 0.018"NAS620C250000000000000000
    No. 3
    0.102"0.180"0.015" to 0.018"NAS620C3L50000000000000000
    No. 3
    0.102"0.180"0.030" to 0.034"NAS620C350000000000000000
    No. 4
    0.115"0.209"0.015" to 0.018"NAS620C4L50000000000000000
    No. 4
    0.115"0.209"0.030" to 0.034"NAS620C450000000000000000
    No. 5
    0.128"0.238"0.015" to 0.018"NAS620C5L50000000000000000
    No. 5
    0.128"0.238"0.030" to 0.034"NAS620C525000000000000000
    No. 6
    0.143"0.267"0.015" to 0.018"NAS620C6L25000000000000000
    No. 6
    0.143"0.267"0.030" to 0.034"NAS620C625000000000000000
    No. 8
    0.169"0.304"0.015" to 0.018"NAS620C8L25000000000000000
    No. 8
    0.169"0.304"0.030" to 0.034"NAS620C825000000000000000
    No. 10
    0.195"0.354"0.030" to 0.034"NAS620C10L25000000000000000
    No. 10
    0.195"0.354"0.060" to 0.066"NAS620C1010000000000000000
    1/4"
    0.255"0.468"0.030" to 0.034"NAS620C416L10000000000000000
    1/4"
    0.255"0.468"0.060" to 0.066"NAS620C41610000000000000000
     
    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.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Low-Friction Cadmium-Plated Steel
    No. 0
    0.063"0.099"0.015" to 0.017"NAS620-010000000000000000
    No. 2
    0.089"0.149"0.015" to 0.017"NAS620-2100000000000000
    No. 3
    0.102"0.180"0.015" to 0.017"NAS620-3L25000000000000
    No. 3
    0.102"0.180"0.031" to 0.033"NAS620-3250000000000000
    No. 4
    0.115"0.209"0.015" to 0.017"NAS620-4L1000000000000000
    No. 4
    0.115"0.209"0.031" to 0.033"NAS620-41000000000000000
    No. 5
    0.128"0.238"0.015" to 0.017"NAS620-5L100000000000000
    No. 5
    0.128"0.238"0.031" to 0.033"NAS620-52500000000000000
    No. 6
    0.143"0.267"0.015" to 0.017"NAS620-6L100000000000000
    No. 6
    0.143"0.267"0.031" to 0.033"NAS620-61000000000000000
    No. 8
    0.169"0.304"0.015" to 0.017"NAS620-8L2500000000000000
    No. 8
    0.169"0.304"0.031" to 0.033"NAS620-81000000000000000
    No. 10
    0.195"0.354"0.031" to 0.033"NAS620-10L100000000000000
    No. 10
    0.195"0.354"0.062" to 0.064"NAS620-10100000000000000
    1/4"
    0.255"0.468"0.031" to 0.033"NAS620-416L1000000000000000
    1/4"
    0.255"0.468"0.062" to 0.064"NAS620-4161000000000000000
     
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