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 6610-01-581-3692
NSN 6145-01-506-8222
NSN 6105-00-630-0378
NSN 5925-01-511-0220
NSN 5920-00-506-1790
NSN 5935-01-089-8794
NSN 5925-01-162-9074
NSN 5920-00-405-8469
NSN 5930-01-181-2714
NSN 4140-01-590-6687
NSN 5999-01-223-0831
NSN 6320-00-186-6452