A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 6145-01-455-3550
NSN 5965-01-324-2441
NSN 5935-01-603-2855
NSN 6220-00-565-7001
NSN 6110-01-466-3581
NSN 5935-01-542-5129
NSN 6135-01-417-6539
NSN 5905-01-628-6278
NSN 5996-01-512-2878
NSN 5930-00-336-5885
NSN 6645-00-825-5677
NSN 5930-01-605-2662