6620-01-422-9709 (242 015 023 1242015023)
6620-01-422-9709 is equivalent to manufacture part number 1. It is a voltmeter and is classified under Federal Supply Class 6620 (6620 - Engine Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6620 - Engine Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.