"ALUMINUM ALLOY MIL-A-12545 COMP 2014 COND T6,ANODIZE COATED,14.800 IN. O/A LG,10.994 IN. MIN TO 10.998 IN. MAX OD,10.055 IN. MIN TO 10.060 IN. MAX BORE THRU,COUNTER BORE 1 END 10.260 IN. DIA 13.920 ON. DP,8 HOLES THRU WALL EQUALLY SPACED 2.500 IN. DIA,HEAT TREAT 65000 PSI MIN"