6250-01-416-2057 (21730-25)
6250-01-416-2057 is equivalent to manufacture part number 21730-25. It is a dent viewer ballast and is classified under Federal Supply Class 6250 (6250 - Ballasts, Lampholders, and Starters), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6250 - Ballasts, Lampholders, and Starters and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.