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 5920-01-563-0681
NSN 6220-01-634-0660
NSN 5835-01-220-6024
NSN 5925-01-299-1942
NSN 5925-00-689-8068
NSN 7035-01-305-1950
NSN 7035-01-461-7742
NSN 6620-01-016-8264
NSN 5999-01-467-3334
NSN 6130-01-031-0896
NSN 5998-01-482-6342
NSN 6110-01-084-2158