Panasonic N610144919AB 64mm Head Vacuum Tube for CM402 CM602 NPM 12-Head The Panasonic N610144919AB 64mm Head Vacuum Tube is a precision pneumatic replacement component used in compatible Panasonic CM402, CM602, and NPM 12-head SMT placement systems . Installed inside the placement-head vacuum circuit, it provides a controlled pathway for negative pressure between related pneumatic components and the nozzle-side pickup system. During SMT placement, stable vacuum is essential