Single Ferrule Nut Application Air Natural Gas Non-Potable Water Fitting Material Brass Maximum Operating Temperature 400 Degrees F Overall Length 11/16 in Thread Size 3/4 Specific Fitting Shape Single Ferrule Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/2 in Compatible Fitting Brands Swagelok Series CPI(TM) Standards ASTM B16 Alloy 360 ASTM B453 Alloy 345 CA-345 CA-360 QQ-B 626 Alloy 360 Compatible Tube Material Plastic