4410-01-390-1456 (36-4840-28R)
4410-01-390-1456 is equivalent to manufacture part number 36-4840-28R. It is a rear wall 28 tube and is classified under Federal Supply Class 4410 (4410 - Industrial Boilers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4410 - Industrial Boilers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.