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 6620-01-143-7913
NSN 6685-01-158-6081
NSN 5915-01-607-0298
NSN 6650-00-292-9106
NSN 5999-01-136-2414
NSN 5935-01-376-9964
NSN 6130-01-364-8830
NSN 6240-00-334-6766
NSN 6610-01-607-4525
NSN 5925-01-327-2731
NSN 2925-01-055-9705
NSN 5920-01-596-1708