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 6620-01-183-5329
NSN 5990-01-142-0538
NSN 5998-01-544-7036
NSN 5960-01-104-3426
NSN 6610-01-564-9290
NSN 6130-01-321-5855
NSN 5945-01-256-7983
NSN 4140-01-287-5429
NSN 4140-01-526-6874
NSN 6105-00-059-5357
NSN 5905-00-800-5151
NSN 5965-00-170-5254