Material can be st1065 through st1095
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 6110-01-182-7792
NSN 5990-00-401-6793
NSN 5855-01-105-7793
NSN 5960-01-249-4550
NSN 5965-00-932-4591
NSN 5960-01-328-8248
NSN 6150-00-246-6673
NSN 5895-01-224-1588
NSN 6150-00-192-1726
NSN 7035-01-641-6768
NSN 5925-01-248-4942
NSN 5985-01-412-2897