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 4140-01-279-1749
NSN 6130-01-009-2607
NSN 5855-00-151-3853
NSN 6240-01-010-2991
NSN 5999-01-166-3949
NSN 6240-00-489-0530
NSN 5998-01-349-2346
NSN 6685-00-986-6659
NSN 5835-01-447-2544
NSN 6135-01-051-7836
NSN 5996-00-462-2533
NSN 6240-01-588-9068