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 5920-00-355-4735
NSN 4140-00-555-2579
NSN 6620-01-252-1240
NSN 5925-00-840-4149
NSN 5935-01-628-0999
NSN 5935-01-359-4827
NSN 5999-00-538-3328
NSN 6685-01-633-2592
NSN 6130-00-281-5978
NSN 6135-01-550-2518
NSN 6145-01-006-6984
NSN 5950-01-130-8505