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 5965-01-147-5289
NSN 5975-01-350-9912
NSN 5835-01-116-2369
NSN 6650-00-227-8743
NSN 6645-01-324-0348
NSN 5996-01-220-1643
NSN 5990-01-512-9129
NSN 6240-00-237-3750
NSN 2925-01-041-8201
NSN 5930-01-174-2617
NSN 5996-00-392-7626
NSN 6620-01-117-5545