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 5920-00-253-4227
NSN 5855-00-149-0766
NSN 6110-01-455-7526
NSN 5999-00-927-6804
NSN 6130-01-259-8415
NSN 5950-01-400-3026
NSN 5925-01-310-9632
NSN 6130-01-429-8442
NSN 6105-01-457-5926
NSN 5960-01-522-0391
NSN 4140-01-348-4053
NSN 5855-01-515-9547