PART NO. THREAD O-RING DIMENSIONS E F E A B S1 S2 5GB9-08OG G1/2"X14 G1/2"X14 17.12X2.62 46.5 31 27 27 5GB9-08-12OG G1/2"X14 G3/4"X14 17.12X2.62 50 37 33 27 5GB9-12OG G3/4"X14 G3/4"X14 23.47X2.62 53 37 33 32 5GB9-12-08OG G3/4"X14 G1"X11 23.47X2.62 51 31 27 32