This is a 5/8" lock washer, it has a quanity of 16
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
NSN 6650-01-111-1011
NSN 6610-00-343-9331
NSN 6145-01-206-2113
NSN 5975-01-441-8872
NSN 6220-00-497-3139
NSN 5935-00-364-7784
NSN 5925-00-360-3984
NSN 2925-00-800-4685
NSN 5910-01-466-8624
NSN 5920-01-317-6642
NSN 5935-00-325-3010
NSN 6150-00-189-0292