956A1021 is a precision aerospace component compliant with AS9100D quality standards and FAA/EASA aviation regulations, dedicated to aircraft engine lubrication systems.It acts as a high-precision oil pressure sensor core, a key component for monitoring real-time oil pressure in engine bearing and gearbox systems during flight and ground operations. It accurately captures pressure changes and transmits stable signals to the engine control unit, ensuring timely alerts for abnormal pressure, preventing oil starvation or overpressure that could cause severe component wear, seizure or engine failure.Made of corrosion-resistant aviation-grade stainless steel with precision sensing elements, it withstands high temperature and oil erosion, working stably at -55℃ to 260℃. Weighing 0.09kg, it features tight tolerance and reliable performance, a critical part to guarantee engine lubrication system safety and overall aircraft operational stability.