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 6240-01-105-1399
NSN 5855-01-068-3683
NSN 6240-00-870-7778
NSN 5930-00-091-9255
NSN 5965-01-579-6562
NSN 5990-01-452-0911
NSN 5915-01-371-2906
NSN 6130-00-061-7486
NSN 6620-00-338-2515
NSN 5960-01-319-3932
NSN 5925-01-037-3324
NSN 4140-00-146-3269