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 6685-01-018-6768
NSN 5998-01-597-2936
NSN 6110-01-200-8114
NSN 6145-00-170-7947
NSN 5925-00-104-8310
NSN 5915-01-566-7954
NSN 5950-00-202-1066
NSN 5925-00-427-9930
NSN 6320-01-290-5271
NSN 6240-00-421-5368
NSN 2925-00-508-6032
NSN 5905-01-175-4817