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 4140-00-758-7686
NSN 5996-01-537-6237
NSN 5960-01-512-0233
NSN 6220-00-500-1580
NSN 5990-00-853-1123
NSN 5998-01-104-4783
NSN 6620-00-769-7303
NSN 5925-01-618-9668
NSN 6105-00-450-6053
NSN 6650-01-193-3068
NSN 5998-01-598-3262
NSN 6320-01-220-2264