Configuration: full coupling - internal thread one end X internal thread opposite end, Class: 150, Merchant Carbon Steel and dimensions conform to ASTM A865, Threading conforms to ASME B1.20.1, Thread Size: 3 inch NPT (Taper thread), Coupling Length (A): 3.25 inch, Coupling Outside Diameter (B): 4 inch, Approximate Weight: 3 LBS
Click here for a downloadable and printable specification sheet for class 150 merchant steel full couplings