This is a Futaba Vacuum Fluorescent Display. The part number is 162-SD-52GNM and the alternate part number is 16209058.  VFD's have excellent readability with a wide viewing angle and high reliablility. A VFD model integrates a VAcuum Flourecent Display, a display controller, driver IC's and a power supply in a cingle PCB. This item was originally bulk packaged for OEM distribution and we have re-packaged it for individual sale. They are being sold as pictured and do not include any additional parts or accessories.