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 5895-01-548-8728
NSN 5925-01-026-5845
NSN 5895-01-216-3230
NSN 5975-01-028-7853
NSN 6620-00-820-9616
NSN 5915-00-914-7587
NSN 5905-01-462-7213
NSN 6105-01-164-7691
NSN 6105-00-427-9615
NSN 5905-01-223-7971
NSN 6145-01-265-0522
NSN 5945-00-179-8368