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 6220-01-373-4589
NSN 6650-01-188-8028
NSN 6150-01-212-7985
NSN 6320-00-456-0836
NSN 5925-01-239-8536
NSN 6685-01-240-8624
NSN 5905-00-081-8913
NSN 7035-01-080-8742
NSN 6110-01-633-9660
NSN 5895-01-349-6631
NSN 6105-00-062-4641
NSN 5996-01-146-5765