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 6105-01-033-0562
NSN 5835-00-479-0464
NSN 6150-01-089-6764
NSN 6220-01-438-9673
NSN 6240-01-514-2202
NSN 6620-01-365-1499
NSN 5960-01-443-3067
NSN 6650-00-610-3956
NSN 5990-01-455-8035
NSN 5999-01-450-2978
NSN 5930-00-876-4061
NSN 6685-01-158-1184