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 4140-01-516-0129
NSN 6130-00-420-0075
NSN 5920-01-431-7617
NSN 5920-01-530-2113
NSN 5945-01-463-4091
NSN 5998-00-441-0843
NSN 5999-01-487-7397
NSN 5965-01-237-3342
NSN 6130-00-085-6309
NSN 6105-01-523-3368
NSN 6240-01-177-3305
NSN 6145-00-149-9225