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 6110-00-102-7797
NSN 6110-00-800-9978
NSN 6220-00-394-5762
NSN 5835-01-632-6627
NSN 5925-00-869-1630
NSN 5905-01-316-0378
NSN 5855-00-149-0766
NSN 6150-01-588-3409
NSN 5985-00-428-1379
NSN 6620-01-233-7466
NSN 5985-01-634-0635
NSN 6620-00-739-4874