6640-01-294-6877 (88-11-7-24)
6640-01-294-6877 is equivalent to manufacture part number 52-0400. It is a microbiological marking pen and is classified under Federal Supply Class 6640 (6640 - Laboratory Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6640 - Laboratory Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.