Dixon® Hydraulic Coupling, Interchange High Volume, Series: H Series, 1-1/4-11-1/2 Nominal, FNPT, 2-3/8 in Hex, 4-1/2 in Length, 2000 psi, -40 to 250°F, 303 Stainless Steel, 2.6 in OD Dixon® 10HF10-S H Series Interchange High Volume Hydraulic Coupling, 1-1/4-11-1/2 Nominal, FNPT, 303 Stainless Steel