Nut Application Air Chemicals Gases Non-Potable Water Fitting Material Stainless Steel Material Grade 316 Maximum Operating Pressure 6 750 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 11/16 in Thread Size 3/4-20 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/2 in Compatible Fitting Brands LET-LOK Swagelok Series Let-Lok Standards ASME ASTM-A CE MIL-F-18866 SAE Fitting Connection Type Compression