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 4140-01-540-3201
NSN 5998-01-140-3003
NSN 5930-00-246-5046
NSN 6620-00-449-1973
NSN 5905-00-419-5319
NSN 6685-00-839-1106
NSN 5920-01-537-8996
NSN 2925-01-318-8853
NSN 6610-00-277-7206
NSN 6650-01-196-4667
NSN 5910-00-408-2181
NSN 5910-00-110-0264