6BLP6-316-A 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, Fitting Thread Size 9/16-20, Standards NACE, NORSOK, Compatible Tube Material Stainless Steel, Minimum Operating Temperature 425 Degrees F