| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATL STEEL PER AMS 6272; OD 3.839 IN. MIN AND 3.849 IN. MAX; CENTER HOLE DIA 3.685 IN. MIN AND 3.687 IN. MAX; 2 FLANGES,LARGE FLANGE OD 4.3125 IN.,SMALL FLANGE OD 4.0313 IN.; CASE HARDNESS ROCKWELL A79 MIN AND A84 MAX; CORE HARDNESS ROCKWELL C20 MIN AND C40 MAX |