"MECHANICAL TUBING,SEAMLESS,CARBONSTEEL,ASTM A519 MT 1020,3.620 IN. NOM LG,0.625 IN. NOM OVER-ALL OUTSIDE DIA,SLOTTED AT ONE END,2 PLACES,0.500 IN. NOM LG 0.620 IN. NOM DEPTH OF SLOTS,1.250 IN. NOM DISTANCE FROM CENTER OF SLOT TO END,OTHER ENG THREADED,0.500 IN.NOM LG OF THREADS,1/2-20 UNF-2A,0.312 IN. NOM INSIDE DIA EXCEPT FOR ONE END WHICH IS 0.500 IN. NOM DIA,THREADED,0.690 LG OF THREADS,1/2-20 UNF-2B"