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 5935-01-296-7171
NSN 6610-01-284-6968
NSN 6610-01-659-2513
NSN 4140-01-210-7062
NSN 5990-00-927-9751
NSN 5996-00-193-3459
NSN 5975-01-236-6869
NSN 5950-00-520-9539
NSN 6130-01-203-3484
NSN 5996-01-557-1996
NSN 6135-00-935-8769
NSN 5915-00-873-3190