Brass Compression Air Brake Hose Ends, Application Air, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Brass, Fitting Side A Tube Outer Diameter 3/8 in, Fitting Side B Tube Outer Diameter 3/8 in, Maximum Operating Pressure 400 psi, Maximum Operating Temperature 250 Degrees F, Overall Length 3 in, Specific Fitting Shape Straight Union, Compatible Fitting Brands Parker, System of Measurement Imperial, Standards DOT FMVSS 571.106, SAE J1402