| GENERAL CHARACTERISTICS ITEM DESCRIPTION | TWO HALF RINGS REQUIRED FOR A FULL RING 25.000 IN. OD AND 22.750 IN. ID AND 1.938 IN. THICK; FOUR ANCHOR PINS AND TWO DILL STEMS REQUIRED ON EACH HALF;CORE APERTURE 1.188 IN. LONG AND 1.125 IN. WIDE RUNNING WITHIN DIAMETER OF RING HALVES |