Sources Sought: HX: Tube; Metallic

Portsmouth Naval Shipyard (PNSY) in Kittery, Maine, under the Department of the Navy Naval Sea Systems Command, is seeking qualified sources to supply 2,000 inches of Tube Metallic 70-30 Seamless tubing through this Sources Sought Notice published on March 23, 2026. Responders must be capable of meeting all specifications outlined in the attached Statement of Work and Technical Ordering Data, including manufacturing seamless, annealed copper-nickel tubing per MIL-T-16420 specifications with an outside diameter of 0.375 inches and minimum wall thickness of 0.049 inches. Eligible vendors must possess an active CAGE Code, maintain current registration in the System for Award Management (SAM.gov), and not appear on the Excluded Parties List. The Government anticipates issuing a firm fixed price (FFP) contract and will use the market research information collected from this notice to identify qualified sources capable of accomplishing the required work under NAICS Code 331210. Responders must submit their capabilities statements by the June 1, 2026 deadline, and an actual solicitation with an official solicitation number and Request for Quote may be posted to SAM.gov at a later date, though this notice does not constitute a commitment to issue a solicitation or award a contract.

This procurement is designated as a Total Small Business set-aside, with the Small Business Size Standard for NAICS Code 331210 established at 1,000 employees. No incumbent contractor or current contract information is identified in this Sources Sought Notice. Specific budget or award values are not disclosed in the pre-solicitation materials. The procurement requires 2,000 inches of copper-nickel alloy tubing with detailed technical requirements including 100 percent ultrasonic examination per NAVSEA specifications, hydrostatic testing at 150-165 percent of working pressure, and comprehensive material certifications including chemical analysis, mechanical properties, and seamless certification documentation. Vendors must demonstrate compliance with ISO 9001, ISO 9002, or ISO 9003 quality standards, along with MIL-I-45208 quality assurance requirements, and be prepared to submit procedure approvals and material certifications upon contract award. Government inspection during manufacture and prior to shipment is required, with all non-conformances subject to procuring activity waiver approval.