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 6105-01-169-9059
NSN 5915-01-042-7629
NSN 5950-01-140-3794
NSN 5895-00-034-5679
NSN 5945-01-381-6300
NSN 5835-00-523-0736
NSN 5999-01-075-5506
NSN 5855-00-832-9341
NSN 6150-00-734-8917
NSN 6130-01-084-5304
NSN 5985-00-387-2839
NSN 5999-01-358-3501