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 4140-00-260-9521
NSN 5985-00-532-3710
NSN 6145-01-416-8944
NSN 5895-01-316-4352
NSN 6685-01-224-5590
NSN 5925-01-337-9359
NSN 6645-00-862-2904
NSN 5960-01-483-9174
NSN 5895-01-348-9889
NSN 6135-00-170-8819
NSN 5998-00-860-3575
NSN 5935-01-435-6304