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 5935-01-496-8369
NSN 6135-00-823-3034
NSN 5910-00-715-2338
NSN 5965-01-076-0071
NSN 5985-00-350-8239
NSN 5975-01-315-7951
NSN 5945-00-984-2966
NSN 5925-01-633-1953
NSN 5998-01-548-8442
NSN 5855-01-147-4785
NSN 5915-01-567-2741
NSN 5920-01-075-5828