This ANSI/ASME-certified, class 1000, 1/2 x 1/4-inch straight hex bushing has an NPTF male x NPTF female connection type. It is used in air, natural gas, non-potable water, and oil-based applications. This product's working temperature ranges between -60 Degrees F and 400 Degrees F. Its maximum operating pressure is 1000 PSI and is made of brass (nickel-plated) for good corrosion resistance.