Brass Metric Compression Fitting Application Air Lines Automotive Process Cooling Lines Fluid Transfer Lubrication Lines Water Lines Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type BSPT Fitting Material Brass Fitting Side A Tube Outer Diameter 12 mm Fitting Side B Tube Outer Diameter 12 mm Thread Size C R3/8 System of Measurement Metric Maximum Operating Pressure 3 335 psi