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 6150-01-417-0902
NSN 5990-01-553-6859
NSN 5905-00-233-6815
NSN 5999-01-615-5401
NSN 5945-01-247-0770
NSN 5998-00-287-7983
NSN 5998-00-203-1232
NSN 4140-00-141-0132
NSN 6130-00-045-9897
NSN 5996-01-633-7979
NSN 6135-01-411-3212
NSN 5998-00-830-7350