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 5950-01-442-1083
NSN 6610-01-135-2149
NSN 6145-00-261-4527
NSN 6320-00-857-4073
NSN 6650-00-147-4887
NSN 5920-01-200-3867
NSN 5975-00-269-8391
NSN 6150-00-398-6527
NSN 6130-01-119-3976
NSN 6145-01-315-7356
NSN 5835-01-278-4683
NSN 5915-01-633-9845