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 5905-00-933-1678
NSN 6685-01-361-3504
NSN 5910-00-466-8053
NSN 6135-00-643-4843
NSN 6650-00-272-2271
NSN 5835-01-481-4204
NSN 6645-01-421-2445
NSN 5920-01-125-4356
NSN 6240-00-518-2400
NSN 4140-01-581-0843
NSN 6645-00-258-8547
NSN 6150-01-465-9751