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 5895-01-193-1070
NSN 5930-01-338-1855
NSN 6610-01-176-9314
NSN 5990-01-264-9759
NSN 6645-00-590-8801
NSN 5985-01-248-5798
NSN 6135-01-278-9717
NSN 6650-01-550-7828
NSN 5910-00-318-3032
NSN 5930-01-131-5922
NSN 6135-01-452-2421
NSN 6645-00-108-6479