Female Bulkhead Connector Application Non-Potable Water Fitting Side A Connection Type Compression Fitting Side B Connection Type FNPT Fitting Material Brass Fitting Side A Tube Outer Diameter 3/8 in Maximum Operating Pressure 2 300 psi Maximum Operating Temperature 400 Degrees F Overall Length 2 5/32 in Specific Fitting Shape Straight Bulkhead Adapter Fitting Side B Pipe Size 1/4 in Compatible Fitting Brands CPI Thread Size A 9/16-20 Series CPI(TM) System of Measurement Imperial