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 5920-00-111-0563
NSN 6220-00-317-4294
NSN 6240-01-219-4276
NSN 5905-01-192-4306
NSN 6240-01-252-9374
NSN 6650-01-285-4546
NSN 5835-00-269-2232
NSN 6645-01-116-2037
NSN 5910-01-228-8156
NSN 5920-01-257-6643
NSN 5905-00-141-0723
NSN 5910-01-592-9406