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 6110-00-288-4179
NSN 5910-01-413-1207
NSN 5965-01-560-7561
NSN 2925-01-141-7563
NSN 6105-01-643-3975
NSN 5965-00-665-2156
NSN 5920-00-809-7802
NSN 5920-01-401-5315
NSN 5855-00-885-8452
NSN 5895-01-353-4386
NSN 7035-01-510-4569
NSN 6645-00-920-8690