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 5935-01-580-1614
NSN 6110-00-696-3145
NSN 5935-01-534-6638
NSN 6320-01-456-2859
NSN 5905-01-467-6298
NSN 5910-01-052-5116
NSN 6610-01-573-5949
NSN 5935-01-493-4122
NSN 5950-00-484-6057
NSN 6130-00-205-1714
NSN 5895-01-207-0753
NSN 6130-01-415-3529