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 5925-00-280-2273
NSN 6150-01-556-6846
NSN 6610-01-493-4936
NSN 6145-01-133-5486
NSN 5975-01-050-8114
NSN 6240-01-414-0077
NSN 5915-00-508-7479
NSN 5935-00-090-7057
NSN 5895-01-424-0311
NSN 6685-00-069-4987
NSN 6620-00-783-6018
NSN 4140-00-428-7589