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 6110-00-139-5693
NSN 5945-00-827-1759
NSN 6130-01-146-4590
NSN 5930-00-996-3061
NSN 5998-01-513-2324
NSN 5935-01-320-0947
NSN 5905-01-408-8342
NSN 6130-01-167-1503
NSN 5960-00-945-1833
NSN 6135-00-613-1068
NSN 5925-00-386-8702
NSN 6240-00-150-6754