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 5920-01-503-7235
NSN 5999-01-161-8984
NSN 6645-00-115-1213
NSN 6105-01-628-7636
NSN 6610-01-288-2339
NSN 5990-00-924-4167
NSN 6135-01-196-7399
NSN 5975-01-383-0422
NSN 5915-01-593-5798
NSN 6135-00-078-9931
NSN 6240-01-200-6864
NSN 5975-00-565-1071