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 5990-00-518-0684
NSN 4140-01-227-6918
NSN 5975-01-388-3137
NSN 5960-00-244-5747
NSN 5935-01-572-0234
NSN 2925-01-185-9144
NSN 6650-00-161-4122
NSN 5990-01-327-1094
NSN 6685-01-014-7235
NSN 5960-01-096-0414
NSN 5925-01-215-2119
NSN 5965-00-549-0220