Compression Nut Application Air Natural Gas Non-Potable Water Potable Water Propane Steam Fitting Material Stainless Steel Material Grade 316 Maximum Operating Temperature 1 500 Degrees F Overall Length 17 13/32 mm Thread Size 1 1/8-20 Specific Fitting Shape Nut System of Measurement Metric Compatible Tube Outer Diameter 22 mm Compatible Fitting Brands Swagelok Standards ASME ATM CPE ISO1550 DNV ISO9001 LLOYDS SAE Color Silver Compatible Tube Material Stainless Steel