This quick-connect hose coupling meets the standards for ISO 4414, ISO 6150-B, MIL-C-4109F, has a length of 2½ inches, a maximum operating pressure of 300 psi @ 70 Degrees F, has an operating temperature of -40 Degrees to 250 Degrees F and is made of steel with a zinc with clear trivalent chromate finish/coating. In addition, it has a ⅜"-18 thread. Plus, it has an NPT connection type. This quick-connect hose coupling includes a valve.