Nut Application Air Natural Gas Non-Potable Water Potable Water Steam Fitting Material Stainless Steel Material Grade 316 Maximum Operating Temperature 1 200 Degrees F Overall Length 15/32 in Thread Size 5/16-20 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/8 in Compatible Fitting Brands Swagelok Series A-LOK(R) Fitting Connection Type Compression Hex Size 7/16 in Minimum Operating Temperature 425 Degrees F