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 5990-01-084-0807
NSN 5998-01-310-6346
NSN 6105-01-348-4770
NSN 5895-00-648-9549
NSN 5998-01-090-9593
NSN 5905-00-661-2395
NSN 5999-01-447-2960
NSN 5920-00-422-5517
NSN 6110-01-472-3641
NSN 5998-01-387-3576
NSN 6645-01-454-5729
NSN 6620-01-530-1229