2-1/2 inch NPT class 300 malleable iron full coupling

Material: malleable iron (i.e. black iron) per ASTM A197, Dimensions: per ASME B16.3, NPT Thread: per ASME B1.20.1, Class: 300, Nominal Pipe Size: 2 ½ inch, Coupling length: 4.12 inch, Outside Diameter (Min): 3.86 inch, Inside Diameter (Min/Max): 2.87/2.97 inch, Internal Thread Length (Min.): 1.17 inch, Nominal Metal Thickness: 0.31 inch, Approximate Weight: 5.45

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