Nut Application Air Natural Gas Non-Potable Water Potable Water Steam Fitting Material Stainless Steel Material Grade 316 Maximum Operating Pressure 8 100 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 17/32 in Thread Size 5/16 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 5/16 in Compatible Fitting Brands Swagelok Series CPI(TM) Standards ASTM 31.3 Fitting Connection Type Compression Hex Size 5/8 in