What Is the Diameter of 3/8 NPT Pipe? | NPT Thread Size Explained
Learn the exact diameter of 3/8 NPT pipe and understand the basics of National Pipe Thread (NPT) standards for pipe fittings and connections.
Are 3/8 BSP and 3/8 NPT Threads Compatible?
Learn why 3/8 BSP and 3/8 NPT threads are not interchangeable for your plumbing needs.