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 5920-00-611-6728
NSN 5910-00-884-1507
NSN 6645-01-596-6077
NSN 5920-01-167-8908
NSN 6150-01-400-4211
NSN 5905-00-237-3197
NSN 7035-01-416-5910
NSN 6135-00-985-7846
NSN 6610-00-841-8221
NSN 6220-01-252-9285
NSN 2925-01-121-3355
NSN 6150-01-204-5627