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 4140-01-535-5644
NSN 6220-01-257-5677
NSN 6620-01-016-8264
NSN 6240-00-364-0850
NSN 6105-01-487-3156
NSN 6685-01-206-4974
NSN 5990-01-623-0082
NSN 5915-01-450-6782
NSN 6650-01-204-2524
NSN 6685-01-031-7228
NSN 6145-00-929-9406
NSN 5930-01-209-4698