Compression Fitting Ferrule, Finish/Coating Colorless Dry Lubricant, Fitting Material Stainless Steel, Material Grade 316, Maximum Operating Temperature 1, 200 Degrees F, Specific Fitting Shape Ferrule, System of Measurement Not Applicable, Compatible Fitting Brands Swagelok, Compatible Tube Outer Diameter 3/8 in, Series CPI (TM), Standards ASME SA-479, ASTM A276, BS970 316-S31, DIN 4401, Compatible Fitting Connection Type Compression, Minimum Operating Temperature 425 Degrees F. This item has been restricted from sale in the following state (s): []