6640-00-813-7083 (DDG675TYPE1C0MP0SITI0N1GRADEA)
6640-00-813-7083 is equivalent to manufacture part number 6680. It is a laboratory glasswar ground joint 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.