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 6145-00-574-1152
NSN 6130-01-159-7884
NSN 4140-01-293-0587
NSN 5996-01-041-1864
NSN 6150-00-348-5769
NSN 5965-01-399-8454
NSN 6130-01-451-7539
NSN 6110-01-159-2360
NSN 5915-00-453-9437
NSN 5920-01-293-7418
NSN 6650-00-373-9220
NSN 5999-00-252-1710