PART NO. THREAD STECKO SIZE O-RING DIMENSIONS E E END A B M N S1 S2 2OY9-04OG 7/16"X20 1/4" 8.92X1.83 31.5 38 15.16 10.03 16 17 2OY9-06-04OG 9/16"X18 1/4" 11.89X1.98 33.3 38 15.16 10.03 16 19 2OY9-06OG 9/16"X18 3/8" 11.89X1.98 36.5 42.5 20.17 14.02 22 19 2OY9-08-06OG 3/4"X16 3/8" 16.36X2.21 39.5 42.5 20.17 14.02 22 24 2OY9-08OG 3/4"X16 1/2" 16.36X2.21 43 46 24.16 18.03 27 24 2OY9-10-08OG 7/8"X14 1/2" 19.18X2.46 49 46 24.16 18.03 27 27 2OY9-12-08OG 1.1/16"X12 1/2" 23.47X2.95 51 46 24.16 18.03 27 32 2OY9-12OG 1.1/16"X12 3/4" 23.47X2.95 57.5 51.5 29.16 24.03 36 32 2OY9-16OG 1.5/16"X12 1" 29.74X2.95 63 63.5 39.12 31.01 48 41