6630-01-013-9211 (0721U)
6630-01-013-9211 is equivalent to manufacture part number 0721U. It is a absorbance monitor 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.