Insert Application Air Air Brake Compatible Fitting Connection Type Compression Compatible Tube Outer Diameter 1/4 in Compatible Tube Inner Diameter 17/100 in Fitting Material Brass Maximum Operating Pressure 150 psi Maximum Operating Temperature 200 Degrees F Overall Length 21/32 in Specific Fitting Shape Tube Insert System of Measurement Imperial Standards DOT FMVSS 571/185 SAE Insert Diameter 133/1000 in Minimum Operating Temperature 40 Degrees F Package Quantity 10