6680-01-453-6148 (REV C SIZE 7 2 1/2IPS 1236REVCSIZE7212IPS)
6680-01-453-6148 is equivalent to manufacture part number 1236. It is a venturi meter and is classified under Federal Supply Class 6680 (6680 - Flow and Level Measuring Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6680 - Flow and Level Measuring Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.