Panasonic N610161010AA Head Vacuum Tube for CM402 CM602 NPM 16-Head The Panasonic N610161010AA Head Vacuum Tube is a replacement pneumatic component used in compatible Panasonic CM402, CM602, and NPM 16-head SMT placement systems . Installed within the placement-head vacuum circuit, the tube provides an airflow path for negative pressure generated by the machine's pneumatic system. During component placement, stable vacuum performance is essential for reliable pickup,