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 5990-00-127-6749
NSN 5999-01-042-5727
NSN 6150-01-342-2913
NSN 2925-01-615-2379
NSN 5895-00-558-0486
NSN 6620-01-426-2220
NSN 5915-01-342-1678
NSN 5935-01-448-9625
NSN 6645-01-616-5583
NSN 5855-01-430-3246
NSN 5910-01-299-9754
NSN 6150-01-565-2220