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 5965-01-229-8721
NSN 6220-01-201-1489
NSN 6105-01-304-4636
NSN 6320-01-202-8761
NSN 6685-01-449-8456
NSN 5996-01-550-7399
NSN 6220-01-509-9943
NSN 6110-00-926-0781
NSN 5945-01-075-8495
NSN 6220-01-634-0660
NSN 5999-01-375-7392
NSN 5915-00-333-2427