Bushing Type: Hex Reducing threaded per ASME B1.20.1, Material: Malleable Iron conforms to ASTM A197, Dimension per ASME B16.3, Class: 150, Nominal Pipe Sizes: 4 x 3 inch NPT, Length A: 2.1 inch, Width B: 4.7 inch, Hex Placement: Out, Approx Weight: 3.2 LBS
Click here for a downloadable and printable specification sheet for class 150 malleable iron hex head reducing bushings