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 5930-01-328-7970
NSN 5985-00-857-1426
NSN 6320-01-157-9076
NSN 5935-00-816-7573
NSN 5985-01-196-4843
NSN 5975-01-123-2823
NSN 6130-01-227-8408
NSN 6105-00-507-1084
NSN 6135-01-205-5965
NSN 6110-01-585-8249
NSN 5855-01-122-9418
NSN 5975-01-525-6944