NIST awarded a purchase order to Carl Zeiss Microscopy, LLC for $653,702.74 covering a field emission scanning electron microscope (FESEM) for the Center for Nanoscale Science and Technology NanoFab User Facility, awarded April 18, 2023 with completion by November 19, 2029. The Zeiss Gemini 560 FESEM replaces an aging Zeiss Ultra 60 system over 15 years old and includes delivery, installation, training, and initial year warranty. Place of performance is Great Britain, United Kingdom. The procurement was conducted on a sole-source basis under Special Notice with Carl Zeiss Microscopy, selected to ensure compatibility with existing electron microscopes in the agency's nanotechnology characterization suite.