2540-01-153-9447 (2AL738)
2540-01-153-9447 is equivalent to manufacture part number 2AL738. It is a heater block valve and is classified under Federal Supply Class 2540 (2540 - Vehicular Furniture and Accessories), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2540 - Vehicular Furniture and Accessories and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.