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 4140-01-186-6453
NSN 5990-00-834-8446
NSN 5925-00-079-2930
NSN 6610-00-216-6538
NSN 5996-01-226-7707
NSN 6130-00-330-9898
NSN 5935-00-527-3826
NSN 5925-01-319-0410
NSN 6145-00-451-0528
NSN 6620-00-451-8783
NSN 5996-00-988-8043
NSN 6650-00-227-8743