Plug Application Gases Oils Fitting Connection Type Compression Fitting Material Stainless Steel Fitting Tube Size Outer Diameter 3/8 in Material Grade 316 Maximum Operating Pressure 6 600 psi Maximum Operating Temperature 1 200 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 Compatible Tube Material Stainless Steel Minimum Operating Temperature 425 Degrees F