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 6620-01-104-5758
NSN 6145-01-479-5578
NSN 5930-00-618-0012
NSN 6685-00-022-8010
NSN 6620-01-182-0282
NSN 5965-00-434-7617
NSN 6145-01-186-9405
NSN 5990-01-581-1961
NSN 6220-01-161-8014
NSN 5945-01-475-4695
NSN 6685-00-070-5546
NSN 4140-01-320-6751