DLA Aviation is conducting market research via a Sources Sought notice for an aircraft stiffener, NSN 1560-016066809, under NAICS 336413, to help determine the procurement method. The solicitation will be posted later on SAM.gov; this is not an RFP and responses are voluntary. Interested qualified parties are asked to provide organization details and tailored capability statements, including any subcontracting or teaming structure. The effort involves new manufacture, inspection, testing, preservation/packaging, shipping, and potentially supply chain management, logistics planning, forecasting, long-lead procurement, and diminishing-source issues. The item is Boeing P/N 5-72302-2 across multiple CAGEs, estimated annual demand is listed as zero each, and the requirement may be small-business set aside or full-and-open with possible multiple awards.