Segal Supply — mock CAD asset SKU: 4240-00-270-4415 Name: Hand Held Arc Viewing Shield Format: STL Standards: NSN 4240-00-270-4415, FSC 4240 Generated: 2026-06-18T23:06:08.712Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.