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 4140-01-141-7692
NSN 6620-01-253-0374
NSN 5965-00-060-0090
NSN 5990-01-426-7350
NSN 6610-00-202-5481
NSN 6110-01-249-5445
NSN 5935-00-648-2319
NSN 5998-01-388-9726
NSN 6240-01-037-7108
NSN 6110-01-157-9085
NSN 4140-01-183-0618
NSN 5835-01-290-9763