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 5925-01-364-2566
NSN 5930-00-949-1717
NSN 6320-00-225-7013
NSN 4140-00-185-2993
NSN 5855-01-656-6808
NSN 5996-01-342-8293
NSN 5999-01-634-0576
NSN 5915-01-012-2964
NSN 2925-00-402-5582
NSN 5985-01-557-9650
NSN 7035-00-760-5479
NSN 6220-01-056-5169