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 6620-01-094-2748
NSN 5835-01-205-6614
NSN 6320-00-459-8973
NSN 6240-01-163-6606
NSN 5998-01-440-3890
NSN 5935-01-495-0756
NSN 6610-01-461-8180
NSN 6240-01-311-1121
NSN 5920-01-516-0467
NSN 6145-01-181-6198
NSN 6240-01-063-9825
NSN 4140-00-249-5603