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 6645-01-072-8367
NSN 6145-01-202-2054
NSN 5915-00-547-2520
NSN 6220-01-351-9046
NSN 5910-00-868-6676
NSN 6620-01-453-3135
NSN 5996-01-174-3183
NSN 5935-00-633-8302
NSN 5998-01-576-6147
NSN 6645-00-276-7544
NSN 5895-00-871-8057
NSN 5996-00-127-3325