The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of four units of the Duct Assembly, Air C, under solicitation number NSN 1660002211176. This procurement is a Total Small Business Set-Aside, aimed at sourcing a specific item that is controlled by a source drawing, with the approved source being 70628 12531-102A. The items are critical components used in aerospace applications, and all responsible sources are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, and quotes must be submitted within the specified timeframe to be considered.