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 5895-01-447-4908
NSN 5925-01-362-0728
NSN 5915-01-633-9845
NSN 6150-01-467-2504
NSN 6105-01-502-8831
NSN 5960-00-113-4314
NSN 5950-00-762-5939
NSN 6650-00-197-7563
NSN 5925-01-452-4493
NSN 5990-00-050-7693
NSN 6150-00-398-6527
NSN 5996-01-441-4679