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 5950-01-503-9805
NSN 6145-01-075-4996
NSN 5930-01-558-7660
NSN 6650-01-367-8917
NSN 5855-01-507-7394
NSN 5998-01-548-4450
NSN 5930-01-323-1535
NSN 5990-01-314-8591
NSN 6135-00-145-8884
NSN 5965-01-457-7297
NSN 5920-00-270-5179
NSN 6650-01-316-3274