The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking proposals for the procurement of duct assemblies for air conditioning systems, as outlined in the Combined Synopsis/Solicitation notice. This opportunity is set aside for small businesses under the Total Small Business Set-Aside (FAR 19.5) and falls under the NAICS code 336413, which pertains to Other Aircraft Parts and Auxiliary Equipment Manufacturing. The duct assemblies are critical components for maintaining operational efficiency and comfort in military aircraft. Interested vendors should direct any inquiries to the buyer listed in the solicitation document, and can access further details by visiting the DLA's DIBBS website.