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 6650-00-689-8270
NSN 6220-00-021-9040
NSN 6650-01-112-2811
NSN 4140-01-288-0764
NSN 6650-01-006-9593
NSN 6220-01-227-7307
NSN 5930-01-284-0499
NSN 5935-01-104-5702
NSN 5990-01-206-3606
NSN 6620-00-246-6448
NSN 5950-00-926-8521
NSN 6240-00-180-4602