Bulkhead, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type NPTF, Fitting Material Brass, Fitting Side A Tube Outer Diameter 1/2 in, Maximum Operating Pressure 2,000 psi, Maximum Operating Temperature 200 Degrees F, Overall Length 1 15/16 in, Specific Fitting Shape Straight Bulkhead Adapter, Fitting Side B Pipe Size 3/8 in, Thread Size A 7/8-20, Thread Size B 3/8-18, System of Measurement Imperial, Standards DOT/SAE J1402A