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 5990-01-460-6390
NSN 5999-01-277-7384
NSN 6320-01-365-2701
NSN 5960-01-071-0389
NSN 6150-00-155-3578
NSN 5999-00-586-7160
NSN 2925-00-596-9775
NSN 6130-01-266-0759
NSN 6650-00-126-3002
NSN 5998-01-532-0185
NSN 5835-01-163-4215
NSN 5835-01-631-3940