PART NO. THREAD O-RING DIMENSIONS E F F A B L S1 1NE-04-14 Z1/4 "X18 M14X1.5 10X1.9 15 11 31 17 1NE-04-16 Z1/4 "X18 M16X1.5 11X1.9 15 11 31 17 1NE-04-18 Z1/4 "X18 M18X1.5 13X1.9 15 11 31 19 1NE-06-14 Z3/8 "X18 M14X1.5 10X1.9 16 11 33 19 1NE-06-16 Z3/8 "X18 M16X1.5 11X1.9 15 11 33 19 1NE-08-16 Z1/2 "X14 M16X1.5 11X1.9 19.5 11 38.5 22 1NE-16-42 Z1"X11.5 M42X2 35X3.1 25.5 20 58.5 46 1NE-20-52 Z1.1/4"X11.5 M52X2 40X3.1 26.5 22 63.5 55 1NE-24-60 Z1.1/2"X11.5 M60X2 45X3.1 27.5 24 68.5 65