MATTERIAL: ZINC AND BRONZE; INSIDE DIA: 4.791 IN. MIN/4.792 IN. MAX; STEP DIA: 5.999 IN. MIN/6.000 IN. MAX; OUTSIDE DIA: 6.312 IN. NOMINAL; MATERIAL THICKNESS: 0.938 IN. NOMINAL; FLANGE DISTANCE: 0.125 IN. NOMINAL; CENTER FLANGE THICKNESS: 0.247 IN. MIN/0.249 IN. MAX