This is a sources sought notice for a potential long-term contract to supply pump assemblies as spare parts for HMMWV vehicles. The performance location is not specified. The notice is seeking companies interested in becoming approved sources for these parts, as the government currently lacks the technical data to procure them. Interested parties should submit their information, including a CAGE code, to the listed point of contact via email. The actual solicitation for this contract will be announced separately at a future date.