Compression Fitting Cap, Application Gases, Oils, Fitting Connection Type Compression, Fitting Material Stainless Steel, Fitting Tube Size Outer Diameter 1/2 in, Material Grade 316, Maximum Operating Pressure 6, 700 psi, Maximum Operating Temperature 1, 200 Degrees F, Specific Fitting Shape Cap, System of Measurement Imperial, Compatible Fitting Brands Parker, Fitting Thread Size 3/4 In. -20, Series CPI (TM), Standards ASME SA-479, ASTM A276, BS970 316-S31, DIN 4401. This item has been restricted from sale in the following state (s): []