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 6645-01-118-8526
NSN 5999-01-235-1613
NSN 5910-00-644-7300
NSN 6620-01-423-5875
NSN 5990-01-235-8404
NSN 6650-01-291-1129
NSN 6610-00-460-1419
NSN 4140-00-739-2033
NSN 5950-01-502-6378
NSN 5855-01-565-5030
NSN 6620-01-423-2612
NSN 4140-01-327-1858