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 4140-01-444-3945
NSN 6130-01-018-8756
NSN 7035-01-565-1064
NSN 6105-01-536-4066
NSN 5905-01-072-5268
NSN 2925-01-448-2880
NSN 5999-00-450-4852
NSN 5920-01-210-2300
NSN 6650-01-512-4428
NSN 5915-01-167-8506
NSN 6240-00-781-9899
NSN 5975-00-167-4898