Male Connector Application Air Fitting Side A Connection Type Male O-Ring Face Seal Fitting Side B Connection Type MNPTF Finish/Coating Zinc Nickel-Plated Fitting Material Steel Fitting Side A Tube Outer Diameter 3/8 in Maximum Operating Pressure 6 000 psi Maximum Operating Temperature 500 Degrees F Overall Length 1 1/4 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 3/8 in Compatible Fitting Brands Seal-Lok Thread Size B 1/4-18 Series Seal-Lok