The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking interested parties capable of supporting the procurement of the Valve Assembly, Relief (NSN 1560-01-472-0353). The government requires vendors who can provide all necessary labor, materials, facilities, and equipment for the new manufacture of this item, which is currently produced by RTX Corp. and Jansen's Aircraft Systems Controls, Inc. This procurement is critical for maintaining operational capabilities, and the estimated annual quantity needed is 40 units. Interested vendors must submit their capability responses by December 17, 2025, at 2:00 PM Eastern Standard Time, to Renee Griffin at renee.griffin@dla.mil, as this sources sought notice is intended to gauge market interest for future procurement opportunities.