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 7035-01-589-0430
NSN 6110-00-028-2064
NSN 6135-00-170-8819
NSN 6110-01-626-8228
NSN 6150-00-800-3652
NSN 6650-01-212-3964
NSN 5985-01-340-3603
NSN 5930-01-129-0105
NSN 5998-01-008-8856
NSN 5998-01-119-4001
NSN 2925-01-510-9378
NSN 6135-00-497-0491