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 6620-01-004-7072
NSN 5855-00-962-5792
NSN 5960-01-356-4429
NSN 6620-01-633-8443
NSN 5960-01-495-0859
NSN 5930-00-005-6968
NSN 6645-00-376-4829
NSN 6130-01-452-7876
NSN 5905-01-310-8949
NSN 6650-00-792-8577
NSN 7035-01-535-1450
NSN 6105-01-106-3221