4820-00-438-2709 (SS845-200766PC10Q3)
4820-00-438-2709 is equivalent to manufacture part number 2640-243PC10. It is a valve seat and is classified under Federal Supply Class 4820 (4820 - Valves, Nonpowered), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4820 - Valves, Nonpowered and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.