No other part numbers with same form, fit, and function found.
A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
NSN 4140-01-229-8820
NSN 5996-01-387-6123
NSN 5910-01-327-8018
NSN 5930-01-650-1834
NSN 5975-00-257-8055
NSN 6130-01-432-0484
NSN 5990-01-516-9665
NSN 6145-01-164-4716
NSN 6650-01-301-3959
NSN 5996-01-071-4828
NSN 5996-00-633-6912
NSN 5915-01-242-9686