The Naval Surface Warfare Center Philadelphia Division plans to award a sole source purchase order to Collins Aerospace for Cell Stack Replacement Parts for the Integrated Low Pressure Electrolyzer. The required parts include various pump supports, spacers, plates, brackets, stops, manifold assemblies, and seals, all manufactured by Hamilton Sundstrand Corporation. The government intends to make an award before the end of the fourth quarter of fiscal year 2026. No budget amount is specified. Performance of services will occur at the Naval Surface Warfare Center Philadelphia Division.