The Department of Defense, through the Defense Logistics Agency (DLA) Troop Support, is seeking additional sources for the procurement of the Core Assembly, Fluid, identified by National Stock Number (NSN) 4420-01-281-2470. Interested parties are required to submit a technical data package for evaluation, as this NSN is currently sole sourced to Aqua-Chem under part number 534-09630-000. The Core Assembly is critical for applications involving heat exchangers and steam condensers, which are vital components in various military operations. All submissions must be directed to Hannah Ragel at hannah.q.ragel@dla.mil by the close of business on August 21, 2025, to be considered for this opportunity.