PART NO. THREAD DIMENSIONS E L S1 9N-02 Z1/8"X27 17.5 17 9N-04 Z1/4"X18 23 19 9N-06 Z3/8"X18 24 24 9N-08 Z1/2"X14 28 30 9N-12 Z3/4"X14 28 36 9N-16 Z1"X11.5 34 46 9N-20 Z1.1/4"X11.5 37 55 9N-24 Z1.1/2"X11.5 37 65 9N-32 Z2"X11.5 40.5 75