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 5950-00-795-4802
NSN 6130-00-291-0589
NSN 6220-00-816-8131
NSN 6610-01-476-7412
NSN 6610-01-633-8931
NSN 5950-01-500-3373
NSN 5960-01-412-0619
NSN 5920-01-660-9943
NSN 6105-00-497-2873
NSN 6645-01-395-2989
NSN 5915-01-538-5047
NSN 5915-00-116-8927