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 5930-01-182-3050
NSN 6650-00-177-0983
NSN 6610-00-008-4075
NSN 5835-01-227-4752
NSN 5905-00-450-1648
NSN 6130-00-859-2225
NSN 5920-01-576-0181
NSN 5975-01-314-2942
NSN 5960-00-199-6034
NSN 5935-01-587-4360
NSN 6145-01-330-5156
NSN 6650-01-234-7012