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 5910-01-444-4096
NSN 4140-00-126-4685
NSN 5990-00-702-1990
NSN 5930-00-161-3183
NSN 6240-00-824-4678
NSN 6135-01-010-0891
NSN 5925-01-104-4893
NSN 6150-00-516-8445
NSN 5855-01-130-1501
NSN 6320-01-216-1678
NSN 5998-00-340-1240
NSN 6150-00-649-8878