316 Stainless Steel Metric Instrumentation Tube Fitting - Temp. range: -425° to 1200°F - Suitable for use in high-pressure applications in heavy industrial environments, such as petrochemical, fluid power, nuclear, and electronic. - Meet SAE, ASME, MIL-F-18866, and CE standards. Tube Fitting Material / 316 Stainless Steel Fitting Connection Type / LET-LOK(R) Tube Size / 4mm Max. Pressure / 5500 to 10,300 psi Hex Size / 12 mm Temp. Range / -425 Degrees To 1200 Degrees F Standards / ASME, ASTMA, CE, MIL-F-18866, SAE