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 5835-00-482-0924
NSN 6240-00-811-2777
NSN 6110-01-591-2043
NSN 5990-00-074-3056
NSN 5905-01-442-0770
NSN 5915-00-553-8755
NSN 6610-01-101-1927
NSN 6135-01-020-3805
NSN 6320-01-247-0898
NSN 5930-01-206-7661
NSN 6650-00-527-7451
NSN 6610-01-545-5648