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 5990-00-185-9586
NSN 6150-01-423-4225
NSN 4140-01-449-2131
NSN 6240-01-491-9011
NSN 4140-01-472-7598
NSN 6135-00-900-2139
NSN 6650-01-144-4672
NSN 6620-00-610-1272
NSN 5905-00-346-9288
NSN 5835-00-949-3018
NSN 6150-00-419-6846
NSN 6135-01-142-2417