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 5920-00-925-2639
NSN 5895-01-504-5400
NSN 4140-01-476-7526
NSN 6135-01-383-0151
NSN 4140-00-876-9285
NSN 5855-01-010-4921
NSN 5920-00-944-3540
NSN 7035-00-020-2227
NSN 5925-00-473-2622
NSN 6130-01-502-7519
NSN 6650-01-147-0288
NSN 6620-01-534-8677