Steel Merchant Couplings / bushings / locknuts

End Connection Male Threaded (4) Finish Black (4) Material Cast Iron (4) Material Specification ASTM A126 Nominal Pipe Size 1/2 Inch (1) 1/4 Inch (1) 1/8 Inch (1) 3/8 Inch (1) Pressure Rating Class 125, 175 PSI (4) Schedule Standard (4) Temperature Rating 350 Deg F (4) Type Square Head, Solid (4)