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 5910-01-158-6870
NSN 6610-01-229-3679
NSN 5895-00-280-7528
NSN 6220-00-267-6940
NSN 6130-00-514-1177
NSN 4140-01-374-4077
NSN 5990-01-115-5859
NSN 5925-00-553-9899
NSN 5965-01-611-6085
NSN 5835-00-922-1263
NSN 7035-00-349-8571
NSN 5965-01-596-2944