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 6130-01-607-2157
NSN 4140-01-534-1589
NSN 5996-00-833-2521
NSN 5835-00-447-1924
NSN 6135-01-222-0703
NSN 5996-01-257-2517
NSN 6145-01-252-1449
NSN 5990-00-932-3070
NSN 6150-01-063-4036
NSN 6620-01-552-2889
NSN 6620-00-872-2108
NSN 5915-01-585-4204