This adapter meets the standards for ASTM B117/ISO 9227, ISO 8434-2, SAE J514, has a length of 2.45 inch, a maximum operating pressure of 7,500 psi and is designed for the following applications: gas handling connections and hydraulic fluid. It is resistant to corrosion and is made of steel. In addition, it has a 1⅝"-12 thread. Plus, it has a 2 inch hex size.