The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking sources capable of manufacturing the item identified by National Stock Number (NSN) 4730-01-643-7947, known as a Retainer Coupling, Part Number 2612099. Interested parties are requested to provide information regarding their manufacturing capabilities, including the location of their facilities and points of contact. This procurement is crucial for maintaining the supply chain of hose, pipe, tube, lubrication, and railing fittings, which are essential components in various defense applications. Responses to this sources sought notice are purely informational and do not constitute a solicitation; interested manufacturers should direct their inquiries to Brandy Coward at brandy.coward@dla.mil or Eric Simpson at Eric.Simpson@dla.mil.