Hardness rating: not rated
A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
NSN 5975-01-124-9225
NSN 7035-01-654-9501
NSN 5960-01-353-5947
NSN 5945-01-438-5273
NSN 6220-00-623-5798
NSN 5996-00-225-1179
NSN 5925-01-381-0614
NSN 5930-01-489-1550
NSN 5835-00-092-1136
NSN 5990-00-336-2054
NSN 5965-01-272-4199
NSN 5960-00-479-5515