The Department of Defense, through the Defense Logistics Agency (DLA) Aviation, is conducting market research via a Sources Sought Notice for the procurement of NSN 1560-006142412, a flexible coupling currently manufactured by Boeing, Goodrich Corporation, and Arrowhead Products Corp. The objective is to identify additional companies capable of manufacturing or legitimately obtaining this item, which is critical for the C/KC-130 aircraft. Interested parties are advised that this notice is for informational purposes only and does not constitute a solicitation or commitment by the government; responses must be submitted by December 6, 2025, at 8:00 AM Eastern Standard Time, and inquiries can be directed to Ryan Loeffelholz at ryan.loeffelholz@dla.mil or by phone at 804-279-1452.