PART NO. THREAD DIMENSIONS E F B L S1 S2 7NB-02S Z1/8"X27 G1/8"X28 5.5 25 17 14 7NB-04S Z1/4"X18 G1/4"X19 5.5 31.5 19 19 7NB-06S Z3/8"X18 G3/8"X19 6.3 34 24 22 7NB-08S Z1/2"X14 G1/2"X14 7.5 42 30 27 7NB-12S Z3/4"X14 G3/4"X14 10.9 44 36 32 7NB-16S Z1"X11.5 G1"X11 11.7 51.5 41 41 7NB-20S Z1.1/4"X11.5 G1.1/4"X11 11 55 50 50 7NB-24S Z1.1/2"X11.5 G1.1/2"X11 13 54 60 55 7NB-32S Z2"X11.5 G2"X11 16 57 70 70