Plug Fitting | Type Square Head, Cored, Solid | Nominal Pipe Size 1 Inch | Overall Length 1.23 Inch | End Connection Male Threaded | Material Chinese Malleable Iron | Material Specification ASTM A197/A197M | Finish Black | Pressure Rating Class 150 | Temperature Rating 550 Deg F | Applicable Standard UL, FM, ASME B1.20.1/B16.34/B16.39/B16.3, ANSI/ASME B16.3, ISO 9001, GS143, JIS H-0401 BS 21 DIN 2999 | RoHS Compliant | Lead-Free All Fittings are 100% Pressure Tested | RoHS Compliant | Lead-Free