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 7035-01-426-4133
NSN 5999-01-495-0468
NSN 4140-00-161-2586
NSN 5925-01-624-4903
NSN 5965-01-191-0735
NSN 5905-01-194-8440
NSN 5990-01-378-5443
NSN 5930-00-450-6388
NSN 6620-00-202-5122
NSN 6620-01-386-5914
NSN 6645-00-906-1769
NSN 6650-01-521-7872