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 6620-01-524-0583
NSN 5960-01-347-6791
NSN 6105-01-513-7106
NSN 5975-00-221-2555
NSN 6145-01-578-7980
NSN 6130-00-266-7496
NSN 5855-00-610-4052
NSN 5935-00-401-2996
NSN 6685-00-208-7724
NSN 5960-01-386-5770
NSN 6650-01-347-2291
NSN 6110-01-633-9660