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 6620-00-159-0866
NSN 6320-01-409-1388
NSN 5910-00-707-4900
NSN 5930-01-343-9326
NSN 5915-00-457-4494
NSN 6105-00-289-9993
NSN 6110-00-180-4601
NSN 5910-01-571-8982
NSN 6610-00-753-2281
NSN 5930-01-278-9224
NSN 5999-01-348-8871
NSN 6110-01-260-7183