The Department of Defense, specifically the Portsmouth Naval Shipyard, is seeking sources capable of manufacturing 4-inch diameter schedule 80 seamless pipe for nuclear applications, which must meet specific Non-Destructive Testing requirements outlined in MILSPECs. The procurement emphasizes compliance with rigorous quality assurance standards, including ultrasonic and liquid penetrant testing, as well as cleanliness requirements to prevent mercury contamination. This procurement is critical for ensuring the integrity and safety of military-grade materials used in defense applications. Interested small businesses are encouraged to respond with their capabilities and relevant procedures by December 20, 2024, and can contact Chuck Chase at charles.e.chase23.civ@us.navy.mil for further information.