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 5920-01-430-2530
NSN 5915-01-540-1183
NSN 5905-01-495-2285
NSN 5999-00-814-2526
NSN 6620-00-663-8962
NSN 5950-01-008-6455
NSN 5998-01-634-0604
NSN 6220-01-557-1487
NSN 5985-01-370-9852
NSN 5895-00-055-0637
NSN 5920-01-344-7070
NSN 5950-01-571-1699