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 7035-01-104-5446
NSN 5920-01-499-8617
NSN 6130-01-346-2971
NSN 5925-01-577-2309
NSN 5996-00-137-2684
NSN 6645-01-202-7986
NSN 6220-00-149-0977
NSN 5915-00-246-8709
NSN 6135-00-016-0071
NSN 6650-01-062-0828
NSN 5920-01-441-2481
NSN 5855-01-632-1509