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 5990-00-698-3963
NSN 6110-00-999-1592
NSN 5998-01-329-8493
NSN 5905-01-321-1043
NSN 5920-00-027-0830
NSN 5999-01-176-4670
NSN 5975-00-357-6136
NSN 5930-01-033-5597
NSN 6110-00-901-9820
NSN 5935-01-131-2982
NSN 7035-00-445-9657
NSN 6620-01-367-4960