About This SIZE - 3/8" NPT Male x 3/8" NPT Male Hex Nipple. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter. MATERIAL - Made of high-quality brass, with strong wear and corrosion resistance, high compressive strength, durability, low magnetic permeability and high temperature ductility. Use - It is used to connect female threaded pipe fittings of the same diameter or to extend the length of pipes. It is a pipe fitting specially used for pipe connection engineering. It is suitable for most gases, water, oils and corrosive liquids. WORKING PRESSURE & TEMPERATURE - 1200PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C) NOTICE - NPT is a tapered pipe thread with a 60° taper and generally cannot be screwed to the end, these brass fittings are low in lead but not suitable for drinking water. Overview Size : 3/8" NPT Brand : ChillWaves Color : Gold Connector Type : Nipple Thread Size : 3/8" NPT Thread Type : NPT Item Weight : 0.2 Pounds Manufacturer : ChillWaves Set Name : Pack of 6