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 6240-00-981-8218
NSN 5835-01-560-8525
NSN 5999-01-578-9859
NSN 5925-01-309-2366
NSN 5999-01-150-1030
NSN 5990-01-226-2653
NSN 5950-00-290-8090
NSN 5935-00-378-1378
NSN 5998-01-033-2625
NSN 5905-00-840-6011
NSN 5999-00-976-1096
NSN 6220-01-576-8405