1428211-1 is a double acting pneumatic air cylinder manufactured by TE Connectivity. This cylinder operates using compressed air to provide bidirectional linear motion, with air pressure applied alternately to both sides of the piston. The product is currently active and available through authorized distributors. Note that this product is not EU RoHS or ELV compliant, containing restricted materials such as lead. Double acting air cylinders are commonly used in industrial automation, manufacturing equipment, and pneumatic control systems where reliable linear actuation is required.