PART NO. THREAD DIMENSIONS E,F,G,H A,B,C,D S1 XB-04 G1/4"X19 24.5 14 XB-06 G3/8"X19 27.5 16 XB-08 G1/2"X14 34.5 22 XB-10 G5/8"X14 35 22 XB-12 G3/4"X14 40 27 XB-16 G1"X11 46 33 XB-20 G1.1/4"X11 50.5 41 XB-24 G1.1/2"X11 57.5 48