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 5950-01-651-4716
NSN 5935-00-666-4860
NSN 6650-00-408-1985
NSN 5895-01-004-1604
NSN 5975-00-413-0276
NSN 6650-01-616-1337
NSN 2925-01-178-0063
NSN 6620-01-412-5514
NSN 6145-01-634-0388
NSN 6145-00-360-7760
NSN 5930-01-220-1630
NSN 4140-01-487-4394