Female Connector Application Air Fitting Side A Connection Type Compression Fitting Side B Connection Type FNPT Fitting Material Brass Fitting Side A Tube Outer Diameter 1/8 in Maximum Operating Pressure 3 600 psi Maximum Operating Temperature 400 Degrees F Overall Length 1 1/8 in Specific Fitting Shape Straight Adapter Fitting Side B Pipe Size 1/8 in Compatible Fitting Brands CPI Thread Size A 5/16-20 Series CPI(TM) System of Measurement Imperial Standards ASME SB75 ASTM B75