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 6135-01-607-5478
NSN 5920-01-049-8949
NSN 6135-01-142-6456
NSN 6135-00-062-5080
NSN 5960-00-188-8648
NSN 5920-00-967-1396
NSN 5999-01-253-0218
NSN 5990-01-338-9697
NSN 6645-00-253-9617
NSN 5985-00-591-3001
NSN 5996-01-522-4242
NSN 6240-00-349-9323