Union Application Oils 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 1 500 psi Maximum Operating Temperature 250 Degrees F Overall Length 2 3/16 in Specific Fitting Shape Straight Connector Series Hi-Duty System of Measurement Imperial Standards SAE J524 Compatible Tube Hardness 65 HRB (Steel)