Male Connector, Application Gases, Liquids, Fitting Side A Connection Type Compression, Fitting Side B Connection Type MNPT, Fitting Material Brass, Fitting Side A Tube Outer Diameter 3/8 in, Maximum Operating Pressure 4,100 psi, Maximum Operating Temperature 400 Degrees F, Overall Length 1 9/16 in, Specific Fitting Shape Straight Adapter, Fitting Side B Pipe Size 1/4 in, Compatible Fitting Brands A-LOK, Thread Size A 9/16-20, System of Measurement Imperial, Standards ASME SB75, ASTM B75 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -