Nut Application Fluids Gases Finish/Coating Zinc Plated Fitting Material Steel Maximum Operating Temperature 250 Degrees F Overall Length 1 3/32 in Thread Size 1 7/16-12 Specific Fitting Shape Nut System of Measurement Imperial Compatible Tube Outer Diameter 1 in Series Ferulok Standards SAE J1453 Fitting Connection Type Compression Hex Size 1 5/8 in Minimum Operating Temperature 30 Degrees F