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 5935-01-147-3910
NSN 6240-01-135-3874
NSN 5855-01-299-3510
NSN 6105-01-149-8368
NSN 6320-01-252-2307
NSN 5999-00-631-4382
NSN 6220-01-352-6132
NSN 5965-00-617-5731
NSN 6620-01-020-4526
NSN 5999-00-004-9467
NSN 6145-00-130-8078
NSN 5910-00-628-6389