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 4140-00-552-7370
NSN 5999-00-417-4957
NSN 5855-00-455-6070
NSN 6620-01-068-6224
NSN 5960-00-959-5226
NSN 5975-01-184-5833
NSN 6610-00-919-2740
NSN 5945-00-308-5426
NSN 6650-01-526-3182
NSN 5996-00-557-5983
NSN 5835-01-027-0597
NSN 6105-01-336-2789