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 5895-01-042-5978
NSN 5935-00-983-0689
NSN 6110-01-298-2091
NSN 5915-01-508-1111
NSN 5945-01-147-5727
NSN 6135-01-079-7852
NSN 6150-00-431-0116
NSN 5915-01-457-3467
NSN 6645-01-123-9277
NSN 5998-00-238-6959
NSN 6135-00-009-4100
NSN 5945-01-607-7708