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 5999-00-299-1207
NSN 5945-01-200-6316
NSN 5915-00-905-8374
NSN 2925-01-400-2286
NSN 6220-01-355-1251
NSN 6645-00-056-1580
NSN 5935-01-112-8524
NSN 5920-00-111-2375
NSN 6650-00-610-3956
NSN 5950-01-122-7721
NSN 7035-01-066-5676
NSN 6645-01-384-0628