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 5905-01-550-0096
NSN 6240-00-811-4640
NSN 6645-01-465-4915
NSN 5920-01-315-1974
NSN 5835-01-521-4979
NSN 5835-01-424-0054
NSN 6685-01-159-9355
NSN 6145-01-102-5698
NSN 5999-01-434-9427
NSN 6145-00-067-6418
NSN 5960-00-647-9159
NSN 6110-01-168-8600