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 5975-01-398-6881
NSN 5975-01-172-0435
NSN 5920-01-040-7718
NSN 6150-01-124-1588
NSN 5999-01-406-3161
NSN 5835-01-397-8801
NSN 6620-00-398-0320
NSN 5950-00-706-9503
NSN 5930-01-054-3868
NSN 5895-00-784-3797
NSN 5920-00-928-2229
NSN 4140-01-536-2501