This hydraulic quick-connect hose coupling meets the standards for ISO 7241-1 Series B, has a length of 2 25/32 inch, a maximum operating pressure of 4,000 psi @ 70 Degrees F and is made of steel with a trivalent chromium zinc finish/coating. In addition, it has a 1"-11½ thread. Plus, it has an NPT connection type. This hydraulic quick-connect hose coupling includes a valve.