Size (CM)：109*109*22

Weight (KG)：23

856A3757G02 is a high-reliability aviation structural component compliant with stringent AS9100D quality standards and FAA/EASA airworthiness certifications, engineered for lightweight structural bracing and vibration damping in aircraft APU starter motor mounting assemblies for MRO and original equipment integration. Fabricated from high-strength aerospace-grade aluminum alloy, it features an oil-resistant anti-corrosion coating and anti-wear finish, enabling stable operation across a temperature range of -55℃ to 230℃. The component withstands dynamic startup torque loads, persistent APU-induced vibration, and exposure to aviation lubricants and engine bay contaminants without fatigue, deformation or chemical degradation. Its precision-machined mounting brackets and motor interfaces ensure seamless integration with APU starting systems and nacelle structures, minimizing vibration transfer and preserving startup system integrity during APU ignition and operation. Lightweight yet durable, it is a critical part for enhancing APU startup reliability, reducing mechanical wear, and boosting overall aircraft APU operational stability and flight safety.