PWA111546 is a precision aerospace component compliant with AS9100D quality standards and FAA/EASA aviation regulations, dedicated to aircraft engine high-pressure fuel supply systems.It acts as a high-performance fuel injector nozzle, a core component for precise fuel delivery during MRO assembly. It features accurate fuel atomization and spray angle control, ensuring uniform mixing with compressed air in the combustion chamber, optimizing combustion efficiency and reducing exhaust emissions while maintaining stable engine power output under all flight conditions.Made of heat-resistant aviation-grade alloy with anti-corrosion treatment, it resists high temperature and fuel erosion, working stably at -55℃ to 320℃. Weighing 0.08kg, it has a compact structure, reliable sealing performance and easy installation. It is a critical component to guarantee fuel combustion stability and overall engine operational safety, efficiency and durability.