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 5965-01-598-6114
NSN 6110-01-145-2841
NSN 5998-01-601-7338
NSN 6645-01-377-2553
NSN 6240-01-438-1157
NSN 5999-01-156-5598
NSN 6110-00-525-3418
NSN 5985-01-449-9303
NSN 6645-01-496-9868
NSN 5855-01-236-4497
NSN 5925-01-041-6342
NSN 6145-00-813-3913