Steel tube fitting Application Gases Oils Fitting Side A Connection Type BSPP Fitting Side B Connection Type Compression Fitting Material Steel Fitting Side B Tube Outer Diameter 8 mm Maximum Operating Pressure 4 568 psi Overall Length 39 mm Specific Fitting Shape Straight Adapter Thread Size A G 1/4 Thread Size B G 1/4 Series Ermeto DIN System of Measurement Metric