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 1/2 in Maximum Operating Pressure 4 000 psi Maximum Operating Temperature 400 Degrees F Overall Length 1 23/32 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 3/8 in Compatible Fitting Brands A-LOK Thread Size A 3/4-20 System of Measurement Imperial Standards ASME SB75 ASTM B75