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 5985-00-576-0646
NSN 6650-00-296-4670
NSN 5945-00-597-5722
NSN 5945-01-304-2090
NSN 5920-01-543-6348
NSN 6620-00-043-6082
NSN 6105-01-487-5072
NSN 6220-01-290-8764
NSN 6130-01-424-0737
NSN 6685-01-508-1724
NSN 5915-01-451-4332
NSN 6320-01-225-0178