Compression Fitting Cap, Application Chemical, Fitting Connection Type Compression, Fitting Material Stainless Steel, Fitting Tube Size Outer Diameter 8 mm, Material Grade 316, Maximum Operating Pressure 8, 100 psi, Maximum Operating Temperature 1, 200 Degrees F, Specific Fitting Shape Cap, System of Measurement Metric, Compatible Fitting Brands Let-Lok, Fitting Thread Size 1/2 In. -20, Series LETLOK, Standards ASME, ASTM-A, CE, MIL-F-18866, SAE, Minimum Operating Temperature 425 Degrees F