One notch 0.036 in. W by 0.060 in. Deep on outer edge
A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.
Classification: Spring washers and other lock washers, iron or steel
NSN 5999-00-435-7002
NSN 6620-01-152-0936
NSN 5996-01-123-9038
NSN 6645-00-905-2361
NSN 6645-01-177-6021
NSN 6150-01-019-5734
NSN 5905-00-999-0862
NSN 6145-01-389-1843
NSN 5999-00-097-3788
NSN 6220-01-087-0816
NSN 6220-01-576-1518
NSN 5930-01-421-5760