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 5998-01-263-2860
NSN 5915-01-304-9692
NSN 6645-01-473-9179
NSN 5835-01-565-3411
NSN 6220-01-507-2286
NSN 5999-00-779-8152
NSN 5895-00-391-4951
NSN 6240-01-650-5348
NSN 6620-01-030-0525
NSN 5935-01-063-7719
NSN 6150-00-102-5296
NSN 6620-01-581-5301