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 6135-00-152-8729
NSN 5996-01-238-1041
NSN 6110-00-713-1466
NSN 5920-01-502-5838
NSN 6150-01-596-9150
NSN 5930-01-563-1799
NSN 5999-01-125-6698
NSN 6645-01-605-8796
NSN 6645-01-451-1295
NSN 5945-01-631-0975
NSN 2925-01-522-1134
NSN 5996-01-552-0480