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 5910-01-286-3782
NSN 6110-01-519-9131
NSN 6610-01-119-7873
NSN 5935-01-382-5799
NSN 5895-01-614-8060
NSN 6145-00-250-4429
NSN 5960-00-400-2222
NSN 4140-01-152-6600
NSN 2925-01-466-0892
NSN 6650-00-137-5859
NSN 6645-00-816-5337
NSN 6135-00-347-0595