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 6240-00-964-8864
NSN 5905-00-253-7285
NSN 6150-00-557-7656
NSN 4140-01-147-8525
NSN 5965-01-385-7813
NSN 5996-01-306-2076
NSN 5998-01-589-1771
NSN 5990-01-586-8202
NSN 5910-00-460-1795
NSN 6320-01-302-5157
NSN 6240-00-474-5809
NSN 5950-00-733-5786