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 6105-01-544-4138
NSN 6610-01-571-8038
NSN 6320-00-483-0451
NSN 5945-00-808-6680
NSN 5950-01-565-0460
NSN 6145-01-634-0388
NSN 6685-01-197-0540
NSN 6685-01-189-6272
NSN 4140-01-556-7940
NSN 6220-01-630-2010
NSN 5996-01-130-6504
NSN 6220-01-327-3272