The Department of Defense, through the Portsmouth Naval Shipyard, is seeking sources for the procurement of non-commercial pipes, specifically 2.50-inch Schedule 40, 4.00-inch Schedule 80, and 8.00-inch Schedule 40, along with associated data requirements for material certification and procedure approvals. These pipes are critical for various naval applications and must be manufactured in accordance with specified standards outlined in the solicitation documents. The procurement will be conducted under Full and Open Competition, with a delivery requirement of 50 weeks after receipt of order to the Portsmouth Naval Shipyard in Kittery, Maine. Interested vendors should prepare to submit their proposals between December 22, 2025, and January 22, 2026, and can direct inquiries to Sarashea Thibodeau at sarashea.thibodeau.civ@us.navy.mil.