The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of 11 kits of a flow control valve, specifically identified by NSN 4820-01-672-2777 and Part Number 90E8412-002. This acquisition is classified as a sole source requirement, with Northrop Grumman Systems Corporation being the only approved source for this material; other manufacturers must submit a complete source approval package. The delivery of the kits is required within 255 days after receipt of order to DLA Distribution in New Cumberland, PA, and the solicitation is expected to be issued around May 5, 2025, with a closing date anticipated on or around June 5, 2025. Interested parties should contact Sean Gallagher or Manuel Alvarez for further details, as the solicitation will not be available through the DLA-BSM Internet Bid Board System.