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 2925-00-203-8735
NSN 5915-01-303-7091
NSN 5895-01-583-6461
NSN 6620-00-919-0163
NSN 5945-01-331-4122
NSN 5920-01-010-1827
NSN 6650-01-594-9915
NSN 5925-00-431-3256
NSN 5965-01-218-7795
NSN 6645-00-664-4665
NSN 7035-01-386-5722
NSN 5985-01-032-5715