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 5925-00-910-3594
NSN 6220-01-173-3177
NSN 6130-01-581-0915
NSN 5905-01-201-3004
NSN 7035-00-020-2227
NSN 6130-01-506-9267
NSN 5998-01-167-1570
NSN 4140-00-146-3269
NSN 5920-00-925-1839
NSN 6645-01-544-9475
NSN 6685-01-493-1809
NSN 6240-00-735-7599