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 5920-00-584-4592
NSN 2925-01-327-3069
NSN 6105-01-274-4702
NSN 6650-01-334-9410
NSN 6150-00-760-1387
NSN 5996-01-303-0475
NSN 5905-01-623-7953
NSN 6135-00-100-0485
NSN 6650-01-119-3058
NSN 6645-01-437-5290
NSN 5945-00-239-4504
NSN 7035-00-541-8516