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 6645-00-177-0826
NSN 5930-00-137-4969
NSN 6650-00-113-7698
NSN 6135-00-145-8884
NSN 5960-00-409-3221
NSN 5930-01-337-8430
NSN 5960-01-044-9439
NSN 5999-00-109-2044
NSN 5945-00-465-4743
NSN 5999-01-499-7308
NSN 5945-01-649-1246
NSN 6150-01-481-2344