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 5920-00-844-2488
NSN 6110-01-141-4915
NSN 6620-00-786-7049
NSN 5945-01-660-5405
NSN 5895-00-877-9779
NSN 5935-01-063-5904
NSN 7035-01-647-0547
NSN 6110-01-467-8092
NSN 6610-01-221-2606
NSN 5950-01-060-3239
NSN 5996-01-058-8227
NSN 5925-01-512-6798