Eaton Aeroquip 2081-16-12S Steel Pipe Fitting, Bushing, 1" NPT Male x 3/4" NPT Female National Pipe Thread (NPT) male bushing for connecting a pipe to an NPT male Male NPT threads on one end and female NPT threads on the other end for connecting two threaded pipes Steel for weldability and greater resistance to rust than iron Standard duty for light to medium pressure applications Society of Automotive Engineers (SAE)-compliant for SAE standards J512, J513, J514, J1926 and J1453 for functional requirements