The Department of Defense, through the Defense Logistics Agency, is conducting market research to identify potential sources for the procurement of new gear assemblies for the KC-135 aircraft, specifically under NSN 1680-00-621-0773FL. The objective is to gauge interest from small businesses for a possible Small Business Set-Aside, focusing on manufacturers capable of producing the gear assembly while managing supply chain logistics and engineering requirements. This procurement is critical for maintaining the operational readiness of the KC-135, which plays a vital role in air refueling and support missions. Interested vendors should prepare a Source Approval Request (SAR) package for qualification, with responses due by February 2025 and an estimated solicitation date of May 20, 2026. For inquiries, contact 423 SCMS at 423.SCMS.AFMC.RFI@us.af.mil.