11C3405P02 is a high-reliability aerospace hydraulic accumulator, engineered to AS9100D quality standards and SAE AS4373 specifications, tailored for flight control hydraulic systems on Boeing 777 and Airbus A350 wide-body aircraft during MRO and in-service operations.

Fabricated from seamless aerospace-grade steel with a corrosion-resistant nickel plating, it stores hydraulic fluid at pressures up to 3,000 psi, providing emergency pressure backup for critical actuators like ailerons and rudders. The accumulator features a reinforced diaphragm for leak-tight performance, a pressure relief valve for safety, and weighs 3.8 kg with dimensions of 150mm×100mm×85mm. Operating at -55°C to 125°C and compliant with FAA Part 25 and EASA CS-25 regulations, it ensures hydraulic system redundancy, preventing flight control failures and safeguarding operational stability for long-haul commercial fleets.