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 5835-01-568-7796
NSN 5975-01-476-8057
NSN 4140-00-295-0787
NSN 5999-01-328-5037
NSN 4140-01-130-7858
NSN 4140-01-065-1884
NSN 6220-01-355-9742
NSN 6105-01-502-7014
NSN 5996-00-578-9092
NSN 5965-01-429-9777
NSN 5975-01-340-3748
NSN 6685-01-252-9470