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 5999-01-492-7559
NSN 5999-01-321-1971
NSN 5855-01-471-3162
NSN 6320-01-506-7497
NSN 5965-01-220-0529
NSN 5996-00-819-4579
NSN 6645-01-582-2601
NSN 7035-01-369-1445
NSN 6150-00-924-8320
NSN 5996-01-519-7548
NSN 6110-01-443-6223
NSN 5920-00-252-3197