This is a procurement for the manufacture and supply of a butterfly valve, requiring strict adherence to specified design, quality, and documentation standards. The contractor is responsible for all inspection requirements and must maintain inspection records for 365 days after final delivery. Offerors must be authorized distributors of the original manufacturer and provide proof of authorization with their quote. Key requirements include compliance with MIL-STD-130 for marking and adherence to specific change control procedures for any design or part number substitutions. Performance and delivery locations are not specified, and no budget or timeline information is provided.