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 6110-01-281-2067
NSN 6130-01-063-2243
NSN 6610-00-709-1692
NSN 6240-00-180-4602
NSN 6145-01-453-2191
NSN 5835-00-126-2961
NSN 5895-00-865-3298
NSN 5999-00-642-9021
NSN 6320-00-779-5923
NSN 5905-01-381-4769
NSN 6645-00-634-9317
NSN 5960-00-884-2535