6740-00-156-9873 (UNIT M0DEL B TEMPUNITM0DELB)
6740-00-156-9873 is equivalent to manufacture part number 17399. It is a photogr temperature control unit and is classified under Federal Supply Class 6740 (6740 - Developing and Finishing Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6740 - Developing and Finishing Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.