6680-01-412-3259 (BNA-1-150FF-M42-B60-MNAN-VALVE)
6680-01-412-3259 is equivalent to manufacture part number 1015-291. 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.