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 5996-01-473-8814
NSN 6650-00-492-9503
NSN 5945-01-432-1708
NSN 6650-01-576-0214
NSN 5998-00-497-0682
NSN 6150-01-415-6485
NSN 7035-01-348-1257
NSN 5960-00-296-1530
NSN 5996-00-361-9901
NSN 5925-01-576-6447
NSN 6610-01-050-3075
NSN 5855-01-236-9645