The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of five flow control valves, identified by Purchase Request #7010995551 and NSN 4820-01-672-2777, with the part number 90E8412-002. The procurement is classified as a sole source acquisition, with Northrop Grumman Systems Corporation being the only approved source; other manufacturers must submit a complete source approval package. The delivery of the valves is required within 367 days after receipt of order, with inspection and acceptance at the destination in New Cumberland, PA. Interested parties should contact Sean Gallagher or Manuel Alvarez for further details, with the solicitation expected to be issued around April 14, 2025, and closing on or around May 14, 2025.