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 5998-01-441-0119
NSN 5935-01-507-9032
NSN 6620-01-328-2971
NSN 6620-01-457-9476
NSN 5985-01-419-3502
NSN 6220-00-393-4222
NSN 6105-01-012-3253
NSN 6150-01-519-4418
NSN 5920-00-107-2798
NSN 4140-00-200-9082
NSN 5920-00-827-4894
NSN 5975-00-170-3623