Hardness rating: not rated
A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
NSN 5935-01-252-8604
NSN 5985-01-076-5873
NSN 7035-01-036-0236
NSN 5925-01-376-1940
NSN 6130-01-605-2047
NSN 5915-01-371-1450
NSN 5960-01-200-4621
NSN 6240-01-553-3253
NSN 6150-00-916-2128
NSN 6130-00-762-4711
NSN 5935-01-032-1664
NSN 6130-01-643-5813