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 6150-01-390-6356
NSN 6220-01-550-4663
NSN 5999-01-351-5601
NSN 5998-00-062-6492
NSN 6650-01-371-2198
NSN 5960-01-335-1622
NSN 5855-01-205-7030
NSN 5895-01-593-5932
NSN 5915-01-158-1092
NSN 5998-00-596-9568
NSN 6645-01-211-6502
NSN 6220-01-525-0845