The Department of Defense, through the Naval Research Laboratory (NRL), intends to award a sole source purchase order to United Mineral & Chemical Corp for the procurement of ultra-high purity (UHP) source material, crucibles, and effusion cell repairs for molecular beam epitaxy (MBE). This procurement is critical for maintaining the laboratory's capabilities in advanced materials research and development. The purchase will be conducted under Simplified Acquisition Procedures, with a total value not exceeding $250,000, and interested parties are encouraged to demonstrate their capability to fulfill the requirements by the closing date of November 22, 2024, at 0800 hours. For further inquiries, interested vendors may contact James Buie at james.buie@nrl.navy.mil or by phone at 202-923-1553.