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 5895-01-463-9161
NSN 5998-01-634-0047
NSN 6130-01-579-6960
NSN 6620-01-647-1393
NSN 5985-01-232-6901
NSN 5985-01-319-5158
NSN 5855-00-869-3635
NSN 5855-01-557-9470
NSN 5965-01-386-2988
NSN 5985-00-081-0163
NSN 5965-01-392-1761
NSN 5999-01-421-3388