6140-01-554-6133 (19 80-77 542198077)
6140-01-554-6133 is equivalent to manufacture part number 542. It is a storage battery and is classified under Federal Supply Class 6140 (6140 - Batteries, Rechargeable), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6140 - Batteries, Rechargeable and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.