This notice is for a sole-source contract to manufacture a C-5 Direct Linear Valve, a hydraulic directional control valve assembly. The original equipment manufacturer, Eaton Aerospace LLC, is the only known source due to the government's lack of technical data or drawings for the item. Interested parties must identify their interest and capability by emailing the specified contacts no later than 10 July 2026. No budget information is specified in the description. The location for performance of services is not mentioned.