Male Branch Tee Thread 1 & 2 1-5/8-12 Thread 3 1-1/4The 1 1 4 Male Joint Industry Council x 1 1 4 Male Joint Industry Council x 1 1 4 Male National Pipe Thread Fuel Branch Tee is a high pressure hydraulic fitting designed to split or combine fluid flow in a T shaped configuration. It connects two lines using 1" male Joint Industry Council threads and a third line using a 1" male National Pipe Thread Fuel connection, providing a secure, leak resistant interface for industrial and hydraulic systems.