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 5998-01-567-7707
NSN 4140-01-550-0022
NSN 6110-01-143-5909
NSN 5950-01-529-7914
NSN 6685-00-247-3770
NSN 5920-01-487-4195
NSN 5835-00-065-6757
NSN 6130-01-311-3745
NSN 5999-01-390-6594
NSN 5920-01-099-8998
NSN 6620-00-262-3113
NSN 6645-01-058-8877