PART NO. THREAD O-RING DIMENSIONS E F E A L S1 5GN-02 G1/8"X28 Z1/8"X27 7.65X1.78 9.5 25.5 17 5GN-02-04 G1/8"X28 Z1/4"X18 7.65X1.78 9.5 31 19 5GN-04-02 G1/4"X19 Z1/8"X27 10.77X2.62 10 26 19 5GN-04 G1/4"X19 Z1/4"X18 10.77X2.62 10 31.5 19 5GN-06 G3/9"X19 Z3/8"X18 13.94X2.62 11.5 35 22 5GN-08 G1/2"X14 Z1/2"X14 17.12X2.62 14 43 30 5GN-12 G3/4"X14 Z3/4"X14 23.47X2.62 15.5 44.5 36 5GN-16 G1"X11 Z1"X11.5 29.74X3.53 18 54.5 41 5GN-20 G1.1/4"X11 Z1.1/4"X11.5 37.69X3.53 20 57 50 5GN-24 G1.1/2"X11 Z1.1/2"X11.5 44.04X3.53 21.5 57 60