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 5998-01-459-7495
NSN 5855-01-042-7990
NSN 5905-01-322-7983
NSN 6620-01-146-4680
NSN 5905-00-424-3099
NSN 6685-00-973-4662
NSN 6650-00-230-4575
NSN 5950-01-263-3897
NSN 5855-00-761-6559
NSN 6685-01-507-1887
NSN 5835-01-572-6900
NSN 5990-01-443-2931