This is a solicitation for the manufacture and delivery of a specific swing check valve, designed in accordance with Milwaukee Valve Co Inc (CAGE 76364) and part number 5399-007T 112. The contract involves strict technical compliance, quality assurance, and specific packaging requirements, particularly concerning cleanliness controls and the exclusion of mercury. Pricing for quotations is valid for 60 days after the closing date unless otherwise specified. The primary point of contact for technical document access and packaging clarification is the NAVSUP WSS-MECH organization in Mechanicsburg, PA.