The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of check valves under the solicitation titled "48--VALVE,CHECK." This opportunity is set aside for small businesses, specifically under the Total Small Business Set-Aside (FAR 19.5), and falls under the NAICS code 332911 for Industrial Valve Manufacturing. Check valves are critical components used in various defense applications to ensure the proper flow of fluids and prevent backflow, thereby maintaining system integrity and operational efficiency. Interested vendors should direct any inquiries to the buyer listed in the solicitation document via email at DibbsBSM@dla.mil, and further details can be accessed through the DLA's DIBBS portal.