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 6150-01-316-4757
NSN 5965-00-553-6898
NSN 5905-01-017-8552
NSN 6645-00-140-5173
NSN 6610-00-872-4303
NSN 5960-00-626-3644
NSN 5835-00-681-0005
NSN 5990-01-227-6526
NSN 5935-01-520-8818
NSN 5945-00-250-9359
NSN 5965-01-060-2558
NSN 5999-01-232-2999