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 5960-01-270-9018
NSN 5855-00-117-0857
NSN 5910-01-499-1859
NSN 5960-00-960-6805
NSN 5945-01-203-6837
NSN 6650-01-075-4413
NSN 5920-01-183-3125
NSN 5915-00-287-5062
NSN 6650-00-671-5106
NSN 6130-01-597-9383
NSN 5835-00-443-1079
NSN 6620-01-237-0254