WARD MFG Cap, 49 Series, Cap Fitting, 1 in Connection, FNPT Connection, Iron, Material Construction: Malleable Iron, Black, Pressure Class: 150 lb, 300 psi, Dimension Standards: ASME B16.3/B1.20.1, 1.77 in Dia x 1.16 in H, -20 to 150 deg F