6680-00-018-3410 (5800052-0100-015)
6680-00-018-3410 is equivalent to manufacture part number 156-001-0061. It is a electron tube 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.