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 6610-01-388-5249
NSN 5905-01-396-4930
NSN 6150-00-683-0621
NSN 5998-00-930-4467
NSN 5996-00-392-7626
NSN 6110-00-269-2696
NSN 6650-00-287-5868
NSN 6240-00-755-1432
NSN 5945-01-458-8391
NSN 5950-01-353-9159
NSN 6685-00-861-5445
NSN 6610-01-436-2163