PART NO. THREAD O-RING DIMENSIONS E F E A B S1 S2 S3 2OB9-04OG 7/16"X20 G1/4"X19 8.92X1.83 27.2 5.5 11 19 17 2OB9-06OG 9/16"X18 G3/8"X19 11.89X1.98 33.3 6.3 16 19 22 2OB9-06-04OG 9/16"X18 G1/4"X19 11.89X1.98 31.8 5.5 14 19 19 2OB9-06-08OG 9/16"X18 G1/2"X14 11.89X1.98 33.5 7.5 19 24 27 2OB9-08-06OG 3/4"X16 G3/8"X19 16.36X2.21 36.8 6.3 19 24 22 2OB9-08OG 3/4"X16 G1/2"X14 16.36X2.21 36.8 7.5 19 24 27 2OB9-08-10OG 3/4"X16 G5/8"X14 16.36X2.21 39.5 9.5 22 30 27 2OB9-08-12OG 3/4"X16 G3/4"X14 16.36X2.21 40.5 10.9 24 32 32 2OB9-10-08OG 7/8"X14 G1/2"X14 19.18X2.46 44 7.5 22 27 27 2OB9-12OG 1.1/16"X12 G3/4"X14 23.47X2.95 51 10.9 27 32 32 2OB9-12-08OG 1.1/16"X12 G1/2"X14 23.47X2.95 51 7.5 27 32 27 2OB9-16OG 1.5/16"X12 G1"X11 29.74X2.95 54.5 11.7 33 41 41 2OB9-20OG 1.5/8"X12 G1.1/4"X11 37.46X3.00 59.5 11 41 50 50 2OB9-24OG 1.7/8"X12 G1.1/2"X11 43.69X3.00 63 13 48 55 55