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 5999-00-136-7120
NSN 5925-01-451-0518
NSN 6145-00-246-9776
NSN 6220-01-282-3190
NSN 6110-00-920-1404
NSN 6620-01-290-2973
NSN 6110-01-414-2793
NSN 5835-01-104-1299
NSN 6130-00-163-9511
NSN 6620-00-431-3837
NSN 5855-01-354-7291
NSN 6150-01-119-7807