Bulkhead Union, Application Air, Inert Gases, Non-Combustible Gases, Potable Water, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Brass, Fitting Side A Tube Outer Diameter 1/4 in, Fitting Side B Tube Outer Diameter 1/4 in, Maximum Operating Pressure 1,400 psi, Maximum Operating Temperature 200 Degrees F, Overall Length 2 9/32 in, Specific Fitting Shape Straight Bulkhead Union, Thread Size A 7/16-24, Thread Size B 7/16-24