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 6620-01-210-4401
NSN 5996-01-237-4501
NSN 5925-01-246-4520
NSN 5910-00-087-7749
NSN 6145-01-214-5374
NSN 6610-00-684-1666
NSN 6110-01-531-1716
NSN 6620-01-200-6493
NSN 5990-01-014-1280
NSN 5835-01-626-9603
NSN 6150-01-482-8714
NSN 6620-01-367-2597