4470-00-945-9623 (A7417-001-127)
4470-00-945-9623 is equivalent to manufacture part number 8000-28. It is a valve seat and is classified under Federal Supply Class 4470 (4470 - Nuclear Reactors), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4470 - Nuclear Reactors and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.