Male Connector Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type MNPTF Finish/Coating Nickel-Plated Fitting Material Brass Fitting Side A Tube Outer Diameter 5/8 in Maximum Operating Pressure 150 psi Maximum Operating Temperature 250 Degrees F Overall Length 2 9/32 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 3/8 in Thread Size A 7/16-24 Thread Size B 3/8-18 System of Measurement Imperial Standards DOT SAE