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 5975-01-143-5358
NSN 5910-00-239-4587
NSN 5996-00-633-6912
NSN 6145-01-381-2529
NSN 5935-00-846-6463
NSN 4140-01-202-7853
NSN 5855-00-256-5562
NSN 6105-01-339-5387
NSN 5975-01-241-0162
NSN 5905-01-563-7083
NSN 5915-00-753-9636
NSN 6650-01-068-3997