Male Adapter, Application Gases, Fitting Side A Connection Type Compression, Fitting Side B Connection Type MNPT, Fitting Material Steel, Fitting Side A Tube Outer Diameter 3/4 in, Maximum Operating Pressure 125 psi, Maximum Operating Temperature 120 Degrees F, Overall Length 3 11/16 in, Specific Fitting Shape Straight Adapter, Fitting Side B Pipe Size 3/4 in, Thread Size A 3/4-14, Thread Size B 3/4-14, System of Measurement Imperial, Standards 49 CFR Part 192, ASTM D2513, CSA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)