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 5990-00-407-4473
NSN 5975-01-537-0133
NSN 5960-00-422-3197
NSN 6130-01-379-5494
NSN 5855-01-257-5338
NSN 5950-01-523-0843
NSN 6150-00-109-6565
NSN 5975-00-189-7849
NSN 5855-00-688-9954
NSN 4140-01-653-5785
NSN 6110-00-146-2114
NSN 5895-01-135-5171