PART NO. THREAD DIMENSIONS E F A B S1 7B9-02 G1/8"X28 G1/8"X28 20 20 16 7B9-04 G1/4"X19 G1/4"X19 22.5 22.5 19 7B9-06 G3/8"X19 G3/8"X19 26 26 24 7B9-08 G1/2"X14 G1/2"X14 31 31 27 7B9-12 G3/4"X14 G3/4"X14 34 34 33 7B9-16 G1"X11 G1"X11 42 42 41 7B9-20 G1.1/4"X11 G1.1/4"X11 48 48 50 7B9-24 G1.1/2"X11 G1.1/2"X11 53 53 60 7B9-32 G2"X11 G2"X11 62 62 70