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 5915-00-589-2980
NSN 4140-01-528-8237
NSN 6610-01-546-9693
NSN 6610-00-068-7143
NSN 5985-01-645-3768
NSN 5960-01-444-8163
NSN 6645-01-099-4322
NSN 6105-01-423-1417
NSN 5895-01-463-8357
NSN 2925-01-143-1996
NSN 5960-00-190-0090
NSN 5930-00-324-1693