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 5990-01-189-3201
NSN 5975-01-580-0851
NSN 6650-00-851-7615
NSN 6620-01-350-5103
NSN 6650-00-074-2445
NSN 5960-01-171-1664
NSN 5960-00-190-5817
NSN 5895-00-157-5981
NSN 5965-00-196-7320
NSN 6150-00-556-2121
NSN 6240-01-549-1743
NSN 6150-00-161-6865