4470-00-935-5471 (820-2179050GP3)
4470-00-935-5471 is equivalent to manufacture part number 40-1916-4. It is a vent and drain valve 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.