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 6645-01-508-6028
NSN 6240-01-327-4120
NSN 5925-01-137-0672
NSN 6610-01-023-1918
NSN 5935-01-151-1470
NSN 5920-00-252-3197
NSN 6685-00-678-6575
NSN 6110-01-113-7642
NSN 5925-01-111-9456
NSN 5990-01-266-6016
NSN 6620-01-051-2045
NSN 5915-00-679-0509