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 5999-01-431-8166
NSN 5998-01-068-3971
NSN 6240-00-698-5822
NSN 6620-00-136-6014
NSN 6320-01-342-7548
NSN 5835-01-457-7951
NSN 5920-01-377-9518
NSN 6130-01-576-9618
NSN 5975-00-245-2286
NSN 6240-01-315-1124
NSN 6650-01-145-5663
NSN 6145-01-186-7734