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 5920-01-252-5562
NSN 4140-01-501-1352
NSN 2925-01-629-9416
NSN 2925-01-577-0004
NSN 4140-01-384-5267
NSN 5855-01-431-8937
NSN 6320-01-092-4101
NSN 5855-01-492-6913
NSN 5945-01-198-3892
NSN 5835-01-270-7899
NSN 5925-00-501-7765
NSN 6135-01-054-2462