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 6240-01-648-2327
NSN 5998-01-370-9686
NSN 5835-00-180-7555
NSN 6220-01-372-3883
NSN 7035-01-532-5258
NSN 2925-01-129-1261
NSN 5920-01-442-8998
NSN 5920-00-305-2867
NSN 5915-01-307-0459
NSN 6650-01-417-1797
NSN 5835-01-550-1577
NSN 6220-00-231-2687