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 5990-01-421-5342
NSN 6240-00-105-8380
NSN 5999-01-213-4439
NSN 6150-00-580-0511
NSN 5855-01-385-8846
NSN 5925-01-094-3659
NSN 6220-00-237-3447
NSN 5855-00-987-1171
NSN 5855-00-928-1912
NSN 5985-01-293-0178
NSN 5855-01-549-3666
NSN 5960-00-180-4613