Cap Application Chemicals Gases Non-Potable Water Oils 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 1/2-20 Series Let-Lok Standards ASME ASTM-A CE MIL-F-18866 SAE