Presolicitation notice from the Department of Defense, specifically the Department of the Navy, is seeking replacement parts for NRP, Bottle Monex FI. These parts are used in cartridge and propellant actuated devices and components. The notice requires Government source approval prior to contract award due to the critical nature of the item and insufficient technical data for open competition. Only previously approved sources have been solicited. Interested parties must submit the necessary information for source approval. The notice also provides links to additional resources for spares and repair. The Government may proceed with the award based on fleet support needs if source approval cannot be processed in time. Interested parties have 15 days to express their interest and capability to fulfill the requirement with a commercial item.