6630-01-691-0285 (FC 2153)
6630-01-691-0285 is equivalent to manufacture part number FC 2153. It is a ph electrode 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.