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 6135-01-351-2690
NSN 4140-01-497-9992
NSN 5835-01-540-4995
NSN 5835-01-318-3122
NSN 5855-01-316-3634
NSN 5990-00-185-9586
NSN 6105-01-542-6846
NSN 6150-01-126-0022
NSN 5915-00-269-3749
NSN 6145-01-204-9529
NSN 4140-00-007-2340
NSN 6620-01-059-0876