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 7035-00-803-3056
NSN 5925-01-053-6519
NSN 5996-00-905-6610
NSN 6240-01-619-0531
NSN 6145-00-815-1369
NSN 6220-01-401-5337
NSN 5985-00-192-4669
NSN 6145-01-300-3728
NSN 5910-01-153-2651
NSN 5915-01-266-5774
NSN 6320-00-809-5744
NSN 5910-01-598-9360