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 5965-01-516-6854
NSN 5905-01-256-3034
NSN 5935-01-078-2406
NSN 6320-01-029-4220
NSN 6130-01-357-1612
NSN 5998-01-431-7535
NSN 5935-01-324-8020
NSN 6130-00-472-4746
NSN 5930-00-528-5252
NSN 5920-01-145-5362
NSN 5960-01-276-7836
NSN 6620-00-988-9170