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: Copper washers including spring washers not threaded
NSN 7035-01-400-3666
NSN 6110-01-087-0439
NSN 5990-00-070-9608
NSN 6150-00-033-6739
NSN 5835-01-013-9321
NSN 5925-01-437-7107
NSN 6610-01-352-6344
NSN 5930-00-286-8560
NSN 6320-01-157-9076
NSN 5965-01-160-7037
NSN 6110-01-464-3717
NSN 5935-00-379-4444