596040501 Husqvarna Lock Nut Prevailing Torque Type

596040501 Husqvarna Lock Nut Prevailing Torque Type.  No original manufacturer’s packaging is available.  873800500, 873690500, 532171410, 873980500, 873990500, 73800500, 73690500, 532063124, 532171026, 873680500, 532067818, 532750253, 532171248, 898000129, 873510500, 873970500, 73970500, 532171195 have been superseded to 596040501