"CAST IRON BODY;STEEL INTERNAL PARTS;GEAR PUMPING ELEMENTS;4.562 IN. O/A LG5.875 IN. LARGEST OD;FOUR PLAIN MTG HOLES,0.344 IN. DIA+SPACED 90 DEG APART ON A 4.750 IN. HOLE CIRCLE;EXTERNAL INVOLUTE DRIVE SLPLINES;29 TEETH;20/40 DIAMETRAL PITCH;1.450 IN. PITCH DIA;30 DEG PRESSURE ANGLE"