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 4140-01-471-4812
NSN 5950-01-423-9123
NSN 6650-01-313-7460
NSN 5930-01-411-6344
NSN 5895-00-525-3295
NSN 6620-00-072-1927
NSN 5990-01-368-2604
NSN 5910-00-663-5865
NSN 7035-01-068-5077
NSN 6145-01-018-0244
NSN 6105-01-321-7466
NSN 6240-01-564-5426