Nut Application Air Inert Gases Non-Combustible Gases Fitting Material Brass Maximum Operating Pressure 400 psi Maximum Operating Temperature 250 Degrees F Overall Length 3/8 in Thread Size 5/16-24 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/8 in Series Compression Standards SAE 060110 Compatible Tube Material Thermoplastic Fitting Connection Type Compression Hex Size 3/8 in Minimum Operating Temperature 65 Degrees F