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 5915-00-035-8590
NSN 5855-01-503-0144
NSN 6620-01-305-7924
NSN 6620-01-386-5914
NSN 6610-01-503-0153
NSN 5915-01-572-3786
NSN 7035-01-383-6549
NSN 6150-01-058-0053
NSN 6320-01-512-2031
NSN 5990-01-027-0568
NSN 5895-00-283-1768
NSN 5935-00-291-4910