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 5996-01-164-8266
NSN 5985-01-090-5640
NSN 5960-01-366-3260
NSN 5920-01-616-8182
NSN 5915-00-389-1126
NSN 6620-01-062-2505
NSN 6145-01-060-6898
NSN 6645-01-513-0117
NSN 6150-01-166-9135
NSN 6130-00-110-5194
NSN 5905-01-425-2787
NSN 5999-01-153-0157