DLA Aviation issued a sources-sought notice for market research on a structural support item, NSN 1560-01-616-5156, under NAICS 336413, with no solicitation currently posted. The item is identified by Weldmac Mfg. Co. (CAGE 50213) part number 7-511632307-101, and the estimated requirement is a five-year long-term contract base period. Potential sources must be capable of manufacturing the item, including component procurement, inspection, testing, preservation/packaging, and shipping, plus possible supply-chain, logistics, forecasting, long-lead procurement, and shortage-management responsibilities. There are no other approved sources; interested contractors would need to submit a Source Approval Request for approval, and DLA Aviation does not possess complete technical data on the part. Based on responses, the requirement may be set aside for small businesses or procured through full and open competition, and multiple awards may be made.