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 5999-01-180-5829
NSN 5935-01-013-1176
NSN 4140-00-924-2931
NSN 5985-01-240-2329
NSN 5935-01-313-9373
NSN 6150-00-737-5761
NSN 5920-01-338-1410
NSN 6150-00-198-7395
NSN 6620-01-510-6367
NSN 6240-00-821-5125
NSN 6645-00-551-8291
NSN 6220-00-501-7599