3 inch Half Coupling, Class 3000#, Constructed of Forged Carbon Steel, Threading per ASME B1.20.1 (Tapered), Dimensions per ASME B16.11, Height (A): 2.12 inch, Width (B): 4.25 inch, Weight: 3.7 lbs
Click here for a downloadable and printable specification sheet on class 300 forged steel half couplings