6630-00-247-2959 (API141-5)
6630-00-247-2959 is equivalent to manufacture part number API141-5. It is a graduated scale hydrometer 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.