Compression Fitting Adapter, 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 (TM), Thread Size B 1/2-14. This item has been restricted from sale in the following state (s): []