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 5999-01-409-1969
NSN 6220-00-050-8485
NSN 6150-00-806-7956
NSN 5855-00-586-6255
NSN 5905-00-758-0415
NSN 6145-01-377-5130
NSN 5915-00-682-2221
NSN 5855-01-035-2866
NSN 6105-00-023-5188
NSN 6130-00-143-7304
NSN 6610-00-652-0796
NSN 6320-01-462-2295