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 5925-01-309-0901
NSN 5930-00-143-1017
NSN 5930-01-453-4828
NSN 5920-00-250-4731
NSN 6650-01-281-2148
NSN 5835-00-901-4932
NSN 5920-01-521-3087
NSN 5930-01-229-0114
NSN 2925-01-609-8464
NSN 4140-01-175-7081
NSN 5835-01-406-5943
NSN 6145-01-641-4027