Push to Connect Fitting Application Air Fitting Side A Connection Type Stud Fitting Side B Connection Type Push-to-Connect Fitting Side B Pipe Size 3/8 in Fitting Side A Tube Outer Diameter 8 mm Fitting Side B Tube Outer Diameter 4 mm Fitting Material Stainless Steel Fitting Thread Size 3/8 Material Grade CA360 Color Silver Includes Pre-Applied Thread Sealant Yes Maximum Operating Pressure 290 psi Maximum Operating Temperature 392 Degrees F Overall Length 1 7/32 in