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 5999-01-004-9905
NSN 5960-01-439-9517
NSN 5920-00-868-4431
NSN 5930-01-173-2922
NSN 5999-01-046-4684
NSN 6240-01-147-7494
NSN 6650-00-107-4417
NSN 5935-01-642-4251
NSN 5910-01-383-5896
NSN 5930-00-370-3161
NSN 5925-00-529-0441
NSN 7035-01-368-4801