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 4140-01-170-4700
NSN 5999-01-649-4094
NSN 6220-00-165-5859
NSN 5975-01-205-6446
NSN 6645-00-258-8547
NSN 4140-00-300-8111
NSN 5915-00-876-6799
NSN 5990-00-057-2795
NSN 4140-00-892-5952
NSN 7035-01-022-1008
NSN 5965-00-226-0209
NSN 6220-00-186-8565