Actual matl is 410 stainless steel
No other part numbers with same form, fit, and function found.
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
Classification: Spring washers and other lock washers, iron or steel
NSN 6150-00-105-8797
NSN 5945-01-224-7610
NSN 5990-01-066-1526
NSN 5915-00-251-3906
NSN 6685-01-125-6687
NSN 6650-01-515-0391
NSN 2925-00-957-7329
NSN 6220-01-145-0198
NSN 6320-00-405-2348
NSN 5945-01-248-8399
NSN 5935-01-659-1506
NSN 6685-01-320-7010