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 6645-00-497-3495
NSN 5920-00-149-0013
NSN 5895-01-331-0249
NSN 4140-00-955-9019
NSN 6220-01-446-6430
NSN 5945-01-087-3765
NSN 2925-00-891-5959
NSN 6650-00-885-3775
NSN 5855-01-321-3881
NSN 4140-01-004-9177
NSN 5930-01-459-8381
NSN 6620-00-815-2281