Brass Compression Air Brake Hose Ends Application Air Brake Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Side C Connection Type Compression Fitting Material Brass Fitting Side A Tube Outer Diameter 3/8 in Fitting Side B Tube Outer Diameter 3/8 in Fitting Side C Tube Outer Diameter 3/8 in System of Measurement Imperial Maximum Operating Pressure 400 psi Maximum Operating Temperature 250 Degrees F Overall Length 3 11/32 in