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 5999-00-552-5355
NSN 4140-01-250-1128
NSN 6610-01-406-4985
NSN 5895-01-154-7565
NSN 5990-01-548-5979
NSN 6645-01-098-1179
NSN 6130-01-518-4664
NSN 5960-01-091-8948
NSN 6240-01-589-2415
NSN 6610-01-465-1320
NSN 5985-00-070-6136
NSN 6145-00-403-9458