Male Connector Application Air Fitting Side A Connection Type Male Flareless Bite Fitting Side B Connection Type MNPTF Finish/Coating Zinc Nickel-Plated Fitting Material Steel Fitting Side A Tube Outer Diameter 1/4 in Maximum Operating Pressure 6 000 psi Maximum Operating Temperature 500 Degrees F Overall Length 1 5/16 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/4 in Compatible Fitting Brands Ferulok Thread Size B 1/4-18 Series Ferulok