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 7035-01-474-2768
NSN 2925-01-297-9759
NSN 4140-01-420-0354
NSN 6650-01-299-5454
NSN 5835-01-599-1876
NSN 5920-00-758-1348
NSN 6650-01-207-0829
NSN 7035-01-575-9092
NSN 6645-00-145-6411
NSN 5895-00-039-7257
NSN 6135-01-528-6896
NSN 2925-01-324-6423