"IRREGULAR SHAPE;TWO BORES,UPPER BORE,18.513 IN. DIA,MTG HOLES LOCATED AROUND COUNTERBORE DIA;LOWER BORE 22.760 IN. DIA,MTG HOLS EQUALLY SPACED AROUND ON COUNTERBORE DIA;9/16 IN. DRILL THRU 1-1/8 IN. DIA BACKFACE TO 1-1/2 IN. THK 16 HOLES EQUALLY SPACED ON 24 HOLE SPACING ON BORES;45.000 IN. O/A H;MUTIPLE HOLES DIFFERENT SIZES IRREGULAR SPACED ON HOUSING FOR MTG"