"CONSISTS OF 1.0 IN. LG PIECE OF ROUND ALUMINUM ALLOY BAR WITH EXTERNAL THREADS 1.50 IN. DIA BEGINNING 0.250 IN. FROM EACH END,AND 0.50 IN. HOLE DRILLED THROUGH 1.0 LENGTH ON CENTER; ONE END 1.38 IN. DIA,OTHER END 1.187 IN. DIA; INTERNAL THREADS BEGIN IN DRILLED HOLE 0.250 IN. FROM LARGER END,ARE 0.50 IN. NPT,0.750 IN. LG"