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 5895-01-518-0960
NSN 5915-01-056-1323
NSN 6240-01-438-7975
NSN 5930-00-388-6758
NSN 6240-01-599-7633
NSN 5998-01-141-9378
NSN 6320-01-574-1915
NSN 6320-01-268-3072
NSN 6220-00-891-8786
NSN 6220-01-608-5611
NSN 4140-01-299-4893
NSN 4140-00-011-2988