3/8" x 5/8" Stainless Flat Washer

Serve the same purpose as a standard washer, however this washer is specifically made to specifications that meet the Air Force and Navy requirements. Made from austenitic stainless steels. It contains chromium creating an invisible surface film that resists oxidation making the metal corrosion resistant. If the surface layer is damaged, it rebuilds itself in the presence of oxygen.