Plug Application Gases Oils Fitting Connection Type Compression Finish/Coating Zinc Plated Fitting Material Steel Fitting Tube Size Outer Diameter 3/8 in Maximum Operating Pressure 6 200 psi Maximum Operating Temperature 800 Degrees F Specific Fitting Shape Plug System of Measurement Imperial Compatible Fitting Brands A-LOK Fitting Thread Size 9/16-20 Series A-LOK(R) Standards NACE NORSOK Minimum Operating Temperature 20 Degrees F Resistance Properties Corrosion-Resistant