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 5990-01-199-2846
NSN 6220-01-095-4860
NSN 4140-01-634-0330
NSN 6110-01-318-2640
NSN 5960-01-242-9801
NSN 6320-01-422-1212
NSN 6220-01-355-3093
NSN 6240-00-922-1021
NSN 5835-01-555-8963
NSN 6240-00-183-0570
NSN 4140-01-597-8194
NSN 6150-01-169-9571