956A1256G01 is a precision aviation maintenance tool compliant with AS9100D standards and FAA/EASA regulations, dedicated to aircraft engine lubrication systems for ground support and routine MRO work. Forged from high-strength anti-corrosion alloy steel with wear-resistant coating, it withstands -55℃ to 180℃, resisting lubricant erosion, high-temperature radiation and intense engine vibration for stable, durable performance in frequent operations. Specialized in disassembling, installing and calibrating oil pumps, oil filters and lubricating pipeline joints, it features precision-machined non-damaging ends with tight tolerances to avoid leaks and oil contamination, critical for engine cooling and wear protection. Compact and ergonomic, it fits confined engine bays, meets strict aviation specs, streamlines workflows, cuts ground downtime, safeguards lubrication system integrity, and acts as an indispensable tool for aircraft engine reliability and overall flight safety.