4410-00-391-5891 (N3-10014FM5713P)
4410-00-391-5891 is equivalent to manufacture part number FM5713P. It is a flange adapter 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.