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 5999-01-244-0564
NSN 6620-01-224-9007
NSN 5835-01-299-5055
NSN 6135-01-650-9371
NSN 6110-00-467-7151
NSN 6645-01-062-0905
NSN 5895-00-926-7377
NSN 5895-01-370-7713
NSN 5910-00-102-0258
NSN 6220-01-163-4901
NSN 5990-00-026-4420
NSN 6620-01-461-3550