4420-01-389-9650 (144 02 008 006 PIECE 2 514402008006PIECE2)
4420-01-389-9650 is equivalent to manufacture part number 4. It is a industrial fluid cooler bonnet and is classified under Federal Supply Class 4420 (4420 - Heat Exchangers and Steam Condensers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4420 - Heat Exchangers and Steam Condensers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.