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 6240-01-246-4258
NSN 5950-01-503-8388
NSN 5960-01-219-5504
NSN 5920-00-840-8409
NSN 5965-01-422-3232
NSN 5935-01-568-7851
NSN 6685-01-443-3284
NSN 6685-01-503-6537
NSN 5996-01-259-3982
NSN 6650-01-139-6467
NSN 5915-01-321-4794
NSN 6240-01-248-4606