Ac21890000 is a precision test block manufactured by safran group, designed for calibration and verification of aircraft maintenance tools and ground support equipment. this aerospace-grade component is engineered to meet strict faa and easa standards, providing accurate reference measurements for torque wrenches, force gauges, and other precision instruments used in aircraft maintenance.\n\nkey features include a hardened stainless steel construction with a precision-machined surface, ensuring durability and long-term accuracy. the test block is compatible with a wide range of aircraft models, including airbus a320, boeing 737, and regional jets, making it a versatile solution for maintenance facilities. its compact, portable design allows for easy integration into calibration workflows, reducing downtime and ensuring compliance with rigorous aviation safety regulations.
Full technical pack — materials, tolerances, and inspection records — ships with every unit.
Our in-house engineering team can manufacture custom tooling to match your exact requirements — from one-off airline-specific variants to OEM-equivalent production tools.
This fixture is qualified for use across the following engine and aircraft platforms.
Frequently inquired alongside this fixture — based on shared engine and aircraft platforms.