"BRASS SHELL; SAE 74C GRADE B,COPPER TUBING; 19.000 IN. LG O/A; 2.500 IN. DIA CENTER; 2.000 IN. DIA ENDS; 0.188 IN. DIA TUBING,0.065 IN. SHELL WALL THK; APPROX 20 TURNS OF TUBING AT .50 TO .56 PITCH; 114-18 NPTF THD INLET AND OUTLET SPACED 14.500 IN. C TO C ON SIDE OF COOLER"