Tube End Insert Application Air Natural Gas Potable Water Propane Steam Compatible Fitting Connection Type Compression Compatible Tube Outer Diameter 1/4 in Compatible Tube Inner Diameter 1/8 in Finish/Coating Unpolished Fitting Material Stainless Steel Material Grade 316 Maximum Operating Pressure 10 300 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 17/32 in Specific Fitting Shape Tube Insert System of Measurement Imperial Standards ASTM 31.3