This 316 stainless steel and nitrile (gasket) cam-lock Type F connector is corrosion-resistant, and the nitrile gasket is impervious to temperature extremes. It can withstand a maximum working pressure of 250 PSI at 70 Degrees F. The connection type is male NPT. The hose fitting size is one inch and the thread size is 1". The coupling size is also one inch.