Straight Male Connector Fitting Side A Connection Type Barbed Fitting Side B Connection Type MNPT Fitting Side B Pipe Size 1/4 in Fitting Side A Tube Inner Diameter 1/4 in Fitting Material Brass Finish/Coating Nickel-Plated Overall Length 1 1/4 in Specific Fitting Shape Straight Adapter Application Air Maximum Operating Pressure 125 psi Maximum Operating Temperature 160 Degrees F Color Brass Hex Size 9/16 in Minimum Operating Temperature 20 Degrees F