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 1/2 in Fitting Side B Tube Outer Diameter 1/2 in Maximum Operating Pressure 6 000 psi Maximum Operating Temperature 500 Degrees F Overall Length 2 5/32 in Specific Fitting Shape Straight Swivel Adapter Compatible Fitting Brands Seal-Lok Thread Size B 1/2-14