Nut Application Fluids Gases Fitting Material Stainless Steel Material Grade 316 Maximum Operating Temperature 1 200 Degrees F Overall Length 23/32 in Thread Size 7/16-20 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1/4 in Series Ferulok Standards SAE J514 Fitting Connection Type Compression Hex Size 9/16 in Minimum Operating Temperature 425 Degrees F