6640-00-653-8517 (MIL-L-7096)
6640-00-653-8517 is equivalent to manufacture part number MIL-L-7096. It is a oxygen mask and leakage test kit 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.