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 4140-01-107-7382
NSN 5895-01-186-0305
NSN 6220-01-442-3931
NSN 5925-00-280-2273
NSN 6620-00-104-6937
NSN 6220-01-440-6100
NSN 7035-00-153-3826
NSN 5996-00-458-8595
NSN 6650-01-049-5361
NSN 6150-00-771-6911
NSN 6685-00-496-6028
NSN 6240-00-368-8541