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 5990-01-393-4808
NSN 4140-01-055-6190
NSN 5975-01-461-3120
NSN 6135-01-222-0703
NSN 6150-01-573-7597
NSN 6685-01-576-9843
NSN 6130-01-391-6831
NSN 6145-00-833-7753
NSN 5990-01-257-2476
NSN 6610-01-033-1748
NSN 5930-01-448-1828
NSN 5998-01-570-3994