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 5915-01-582-9680
NSN 5905-01-143-9131
NSN 6150-00-170-8008
NSN 6320-01-547-9877
NSN 5990-00-804-4982
NSN 5996-00-194-8303
NSN 6220-01-397-5678
NSN 6150-00-398-6527
NSN 5920-00-483-1597
NSN 5835-01-191-3405
NSN 5905-01-547-5126
NSN 5990-00-904-9004