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 6320-01-350-5570
NSN 5925-01-609-9826
NSN 4140-00-432-0456
NSN 5930-01-180-1767
NSN 5990-01-552-5386
NSN 6130-01-030-1307
NSN 2925-01-218-5556
NSN 2925-01-030-6580
NSN 7035-00-834-2090
NSN 5835-00-958-6231
NSN 6685-01-554-2387
NSN 7035-01-564-1821