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 5925-01-225-0614
NSN 6145-01-050-7531
NSN 6610-00-991-9453
NSN 6610-01-294-5666
NSN 6650-01-480-0053
NSN 6150-01-395-3794
NSN 6220-01-463-3380
NSN 7035-00-585-2113
NSN 6645-00-831-6826
NSN 6240-01-506-0304
NSN 6610-01-492-9900
NSN 5915-01-018-3137