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 5930-01-521-2754
NSN 6220-00-253-3836
NSN 6620-00-170-5296
NSN 5905-00-235-9845
NSN 6130-01-094-3218
NSN 5935-01-618-3454
NSN 5990-01-201-1698
NSN 5975-01-634-0678
NSN 6220-00-970-3797
NSN 6620-01-547-6088
NSN 6110-01-520-4858
NSN 5930-01-039-5457