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 5999-00-456-0603
NSN 5998-01-570-7664
NSN 6145-00-738-5601
NSN 6145-01-643-0022
NSN 6145-01-658-5730
NSN 5998-00-519-0741
NSN 6645-01-055-5465
NSN 5835-01-090-0784
NSN 6150-01-441-2194
NSN 5920-00-741-5418
NSN 6150-01-145-3780
NSN 5835-01-185-1102