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 4140-01-437-9668
NSN 5935-00-564-4346
NSN 5996-00-137-8434
NSN 6320-01-462-3555
NSN 5985-00-427-9426
NSN 6220-01-602-5025
NSN 5915-01-096-0866
NSN 6610-01-365-6504
NSN 6620-01-591-6681
NSN 2925-00-155-8091
NSN 6650-01-659-8445
NSN 4140-01-322-8491