PART NO. THREAD DIMENSIONS E F A B L S1 S2 3A-02 G1/8"X28 G1/8"X28 2 2 27 14 14 3A-04 G1/4"X19 G1/4"X19 4 4 28 19 19 3A-06 G3/8"X19 G3/8"X19 5 5 31 22 22 3A-08 G1/2"X14 G1/2"X14 6 6 35 27 27 3A-12 G3/4"X14 G3/4"X14 9 9 38 32 32 3A-16 G1"X11 G1"X11 10.5 10.5 40 41 41 3A-20 G1.1/4"X11 G1.1/4"X11 10 10 43 50 50 3A-24 G1.1/2"X11 G1.1/2"X11 11 11 46 55 55 3A-32 G2"X11 G2"X11 15 15 50 70 70