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 5835-01-460-6054
NSN 5999-00-138-1557
NSN 5920-00-857-5055
NSN 5990-00-557-8726
NSN 5960-00-421-1054
NSN 6240-00-467-7295
NSN 5920-01-076-7045
NSN 5999-01-018-0151
NSN 6135-01-300-8455
NSN 6220-01-470-9511
NSN 6685-01-557-7040
NSN 6650-01-476-3329