Pipe Thread Swivel Connector Application Air Fitting Side A Connection Type Swivel FNPT O-Ring Fitting Side B Connection Type MNPTF Finish/Coating Zinc Nickel-Plated Fitting Material Steel Fitting Side A Tube Outer Diameter 3/8 in Fitting Side B Tube Outer Diameter 3/8 in Maximum Operating Pressure 6 000 psi Maximum Operating Temperature 500 Degrees F Overall Length 1 21/32 in Specific Fitting Shape Straight Swivel Adapter Compatible Fitting Brands Seal-Lok Thread Size B 3/8-18