6630-00-802-8459 (S6504-3244767REV)
6630-00-802-8459 is equivalent to manufacture part number S6504-3244767REV. It is a hydrogen detector and is classified under Federal Supply Class 6630 (6630 - Chemical Analysis Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6630 - Chemical Analysis Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.