This opportunity is for the manufacture and supply of a specific check valve, with design and material requirements defined by the manufacturer and part number. The contract is no longer set aside for small businesses, and all other terms and conditions remain unchanged. Pricing submitted with a quotation must be valid for 60 days after the closing date unless otherwise specified. The place of performance for the services is not specified, and no budget amount is provided. The contractor must comply with detailed technical, quality assurance, and packaging requirements, including the exclusion of mercury.