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 5925-01-188-4303
NSN 5835-01-416-6449
NSN 6150-01-625-0514
NSN 5905-00-186-9784
NSN 5990-01-347-6080
NSN 5945-01-403-2800
NSN 5855-01-047-2136
NSN 6620-01-116-3983
NSN 2925-01-146-0278
NSN 6130-01-121-5929
NSN 5998-01-547-1995
NSN 5960-01-182-3676