Nut, Application Fluids, Gases, Fitting Material Stainless Steel, Material Grade 316, Maximum Operating Temperature 1,200 Degrees F, Overall Length 27/32 in, Thread Size 3/4-16, Specific Fitting Shape Nut, System of Measurement Imperial, Compatible Tube Outer Diameter 1/2 in, Series Ferulok, Standards SAE J514, Fitting Connection Type Compression, Hex Size 7/8 in, Minimum Operating Temperature 425 Degrees F