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 Temperature 400 Degrees F Overall Length 1 13/16 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/2 in Compatible Fitting Brands CPI Thread Size A 9/16-20 Series CPI(TM) System of Measurement Imperial Standards ASME SB75 ASTM B75 Hex Size 7/8 in