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 5950-01-107-3172
NSN 6650-01-605-4399
NSN 5990-00-617-1422
NSN 6645-01-143-0137
NSN 6645-01-168-8465
NSN 6320-01-425-1417
NSN 5920-00-817-9246
NSN 6650-01-323-6252
NSN 6135-01-655-1759
NSN 5835-00-351-9459
NSN 6620-01-615-2322
NSN 5999-01-247-1538