This is a sources sought notice for market research to identify suppliers capable of manufacturing a CARGO DOOR ASSEMBLY (NSN 1680-015401829), with an estimated requirement of 10 each. The applicable NAICS code is 336413, and the government will use responses to determine whether the procurement is set aside for small businesses or competed under full and open competition. No solicitation currently exists, and submission of information is voluntary with the government assuming no costs. Interested parties must provide organization details and tailored capability statements, including any subcontracting or teaming arrangements. The approved source is Sikorsky Aircraft Corporation, and technical orders are not available; potential sources must request a Source Approval Request via the specified process.