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 4140-00-964-8623
NSN 5915-01-232-8837
NSN 5950-01-555-8818
NSN 6130-00-701-3999
NSN 5910-01-622-5674
NSN 6650-01-645-7892
NSN 6650-01-646-0139
NSN 6105-01-051-0027
NSN 6110-01-381-1269
NSN 6110-00-927-1794
NSN 6130-01-491-6100
NSN 6220-01-296-3385