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 6685-01-555-6681
NSN 6240-01-224-4125
NSN 6145-01-139-5172
NSN 5960-01-106-0460
NSN 5920-00-518-1793
NSN 5910-01-549-4701
NSN 6645-01-518-7287
NSN 5935-01-022-1751
NSN 5990-01-293-4817
NSN 6220-01-427-2333
NSN 5990-01-355-3239
NSN 5996-01-472-2112