6680-01-198-9730 (53A-NFLG-30IN-TY1-CL)
6680-01-198-9730 is equivalent to manufacture part number 53A-30IN-TP1-CL. It is a liquid sight indicator 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.