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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 Steel
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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. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Black-Oxide 18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
5/16" | 0.344" | 0.688" | 0.051" to 0.080" | MS15795-812B | ASME B18.21.1, NASM15795 | 50 | 000000000 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() Black-Oxide 18-8 Stainless Steel Mil. Spec. Washer Passivated, 5/16" Screw Size, MS/NASM-15795-812B Pack of 50Delivers tomorrow | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||