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 5990-00-331-4459
NSN 5935-00-233-7418
NSN 6130-00-038-8274
NSN 4140-01-191-7577
NSN 6620-00-518-3595
NSN 6620-01-334-8938
NSN 7035-00-703-3535
NSN 5915-01-214-9591
NSN 7035-01-438-2108
NSN 6650-00-195-7519
NSN 5910-00-150-8653
NSN 5925-01-054-4226