Nut Application Air Chemicals Gases Non-Potable Water Fitting Material Stainless Steel Material Grade 316 Maximum Operating Pressure 10 300 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 1/2 in Thread Size 7/16-20 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/4 in Compatible Fitting Brands LET-LOK Swagelok Series Let-Lok Standards ASME ASTM-A CE MIL-F-18866 SAE Fitting Connection Type Compression