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 6650-01-421-4024
NSN 5950-01-303-4816
NSN 6650-00-239-9226
NSN 5990-01-443-2931
NSN 5950-01-661-0683
NSN 6135-01-195-5343
NSN 6650-00-726-4242
NSN 5915-01-018-2775
NSN 5895-01-017-5782
NSN 5950-00-604-5362
NSN 6610-00-109-2593
NSN 6685-01-365-5682