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 5855-00-149-0766
NSN 6130-00-015-4111
NSN 6220-01-363-9713
NSN 4140-01-411-9952
NSN 5985-01-280-5497
NSN 5905-00-019-3014
NSN 5905-01-281-9468
NSN 5925-01-305-7585
NSN 6620-00-286-5721
NSN 6320-01-652-3806
NSN 5895-01-162-9402
NSN 5998-00-839-1350