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 6105-01-527-4147
NSN 6240-01-087-9570
NSN 6130-01-542-9901
NSN 5930-01-253-2900
NSN 6220-00-925-2233
NSN 5999-01-592-3020
NSN 6145-01-510-9570
NSN 5910-00-007-1940
NSN 2925-00-196-9003
NSN 5935-01-046-6346
NSN 2925-01-250-2731
NSN 5945-01-154-5987