6630-01-604-5204 (823-0210-41)
6630-01-604-5204 is equivalent to manufacture part number 823-0210-41. It is a hydrogen sensor 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.