| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL STEEL PER AMS 6263; HARDNESS,CASE,ROCKWELL A81 MIN AND A84 MAX,CORE,ROCKWELL C35 MIN AND C45 MAX; OVERALL OD 9.020 IN. MIN AND 9.024 IN. MAX; OVERALL LENGTH 1.766 IN.; GEAR,96 TEETH,PITCH DIA 10.8628; FOUR INTAKE AND FOUR EXHAUST LOBES |