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 4140-01-215-6672
NSN 5945-00-110-7753
NSN 5960-00-284-7916
NSN 6145-01-495-2462
NSN 5950-01-500-0723
NSN 5950-00-519-9515
NSN 5935-00-561-6183
NSN 6610-01-013-8922
NSN 5835-01-089-1076
NSN 5945-00-960-7367
NSN 6105-00-935-5256
NSN 5965-00-834-1843