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 6650-01-029-2995
NSN 5999-01-199-5894
NSN 6620-01-395-0651
NSN 6145-01-449-9796
NSN 6135-01-164-3561
NSN 5985-00-543-1987
NSN 5990-01-449-7090
NSN 6645-01-490-0325
NSN 5925-01-194-2756
NSN 6240-00-583-9863
NSN 6645-01-443-4854
NSN 5935-01-409-2864