666/667
Eaton’s Aeroquip 666 and 667 series medium-pressure PTFE hoses are engineered for aerospace, military, and high-performance industrial applications, meeting MIL-H-27267 standards. Designed with a PTFE inner tube, these hoses provide exceptional resistance to hydraulic fluids, fuels, lubricants, and solvents, ensuring long-lasting performance in demanding environments. Reinforced with a stainless steel wire braid, they offer enhanced durability while maintaining flexibility, making them ideal for tight installation spaces in aircraft, naval vessels, and military vehicles. These hoses are built to withstand extreme temperatures ranging from -65°F to +450°F (-54°C to +232°C), ensuring reliability in high-temperature and cryogenic environments. Capable of handling operating pressures up to 1,500 psi, the 666/667 series is commonly used in hydraulic, pneumatic, and fuel transfer systems across the aerospace, marine, and industrial sectors. Their lightweight construction also makes them an excellent choice for weight-sensitive applications, such as commercial and military aircraft. With superior chemical resistance, durability, and compliance with MIL-SPEC standards, Eaton’s Aeroquip 666/667 series hoses provide a reliable solution for mission-critical fluid transfer needs.