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 6220-01-169-6478
NSN 6130-01-612-2270
NSN 6240-01-356-8144
NSN 5998-01-311-0885
NSN 5999-01-068-3436
NSN 5999-00-493-2967
NSN 6135-01-449-0625
NSN 5996-01-136-4373
NSN 6110-00-182-8664
NSN 5945-00-318-5934
NSN 5895-01-107-0367
NSN 6240-01-343-9155