PART NO. THREAD DIMENSIONS E F A L S1 5NT-04 Z1/4"X18 Rc1/4"X19 15 35 19 5NT-06 Z3/8"X18 Rc3/8"X19 16 37.5 24 5NT-08 Z1/2"X14 Rc1/2"X14 19.5 47.5 30 5NT-12 Z3/4"X14 Rc3/4"X14 19.5 49 36 5NT-16 Z1"X11.5 Rc1"X11 25.5 60 41 5NT-20 Z1.1/4"X11.5 Rc1.1/4"X11 26.5 64.5 50 5NT-24 Z1.1/2"X11.5 Rc1.1/2"X11 27.5 65.5 55 5NT-32 Z2"X11.5 Rc2"X11 27.5 68.5 70