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 5910-00-127-9968
NSN 5920-01-460-1945
NSN 5990-00-394-3987
NSN 5945-01-544-5321
NSN 6610-00-571-4846
NSN 5835-00-408-5499
NSN 5985-01-130-3849
NSN 5935-01-400-5949
NSN 6685-01-050-8300
NSN 5975-00-976-1035
NSN 5855-00-151-3853
NSN 5905-01-071-1272