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 5910-00-203-5856
NSN 5950-01-371-1296
NSN 6685-01-123-9275
NSN 6135-01-156-4627
NSN 6610-00-339-2981
NSN 5910-01-057-0969
NSN 5930-01-097-7070
NSN 5960-01-142-1995
NSN 5910-00-059-2673
NSN 5915-01-403-2599
NSN 5835-01-462-5983
NSN 6685-00-086-4930