The Air Force is conducting market research to identify potential contractors capable of producing the BLU-140/B 500lb advanced warhead (empty case), polymer nose plugs, and specified bomb pallets, excluding the explosive fill. The work involves manufacturing warhead assemblies in conformance with a Technical Data Package. This is a sources sought notice to gauge industry interest and inform a potential future procurement, not a formal solicitation. All responses and requests for technical documents must be submitted via email to the provided points of contact.