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 5985-00-588-9701
NSN 5895-00-218-1355
NSN 5950-00-725-6943
NSN 7035-01-586-4591
NSN 6220-01-086-8775
NSN 5975-01-367-9739
NSN 6220-01-441-8662
NSN 5990-00-572-7442
NSN 5930-01-398-4405
NSN 6145-01-175-2137
NSN 5990-01-058-4826
NSN 5996-01-198-0117