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 6645-00-239-2472
NSN 6145-00-613-8489
NSN 5910-01-582-7355
NSN 6145-00-405-9819
NSN 4140-01-201-0534
NSN 6135-01-210-8715
NSN 6220-01-112-0874
NSN 5950-01-317-9359
NSN 6220-00-854-2532
NSN 5975-01-531-4742
NSN 6620-01-587-9533
NSN 5990-01-437-4876