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 5935-00-620-5632
NSN 5855-00-185-1560
NSN 6220-01-540-3921
NSN 5855-01-109-6433
NSN 6610-01-605-2451
NSN 4140-01-490-6087
NSN 6620-00-239-6153
NSN 5985-01-134-8108
NSN 5920-01-576-2612
NSN 5905-01-291-6288
NSN 6610-01-069-1156
NSN 6610-00-692-4460