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 6110-01-477-3003
NSN 5920-00-908-1929
NSN 6320-01-140-1763
NSN 5990-00-532-2641
NSN 5998-01-502-3278
NSN 6135-01-167-7604
NSN 6130-01-112-0158
NSN 6105-00-823-6506
NSN 6610-00-322-6127
NSN 5950-00-542-1326
NSN 6610-01-562-9967
NSN 6610-00-694-2071