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 4 mm, Fitting Side B Tube Outer Diameter 4 mm, Thread Size C R1/8, System of Measurement Metric, Maximum Operating Pressure 3,335 psi