WARD MFG Union, 91 Series, Union Fitting, 2 in Connection Size 1, Connection Type 1: NPS Brass, 2 in Connection Size 2, Connection Type 2: NPS Iron, NPS|NPS Connection, Iron, Material Construction: Malleable Iron, Finish: Galvanized, 3.41 in Hex, Pressure Class: 150 lb, 300 psi, Dimension Standards: ASME B16.39, 2-3/4 in L, -20 to 150 deg F