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 6110-01-359-8715
NSN 4140-00-578-7726
NSN 5920-00-892-2640
NSN 6105-00-675-0525
NSN 5835-00-454-7239
NSN 6610-01-115-5791
NSN 4140-01-222-7552
NSN 6145-00-499-1131
NSN 5855-01-201-4857
NSN 6650-01-579-2137
NSN 5965-01-101-1852
NSN 5910-01-448-6972