Segal Supply — mock CAD asset SKU: 5210-01-604-4826 Name: Protractor (Mechanics) Format: STL Standards: NSN 5210-01-604-4826, FSC 5210 Generated: 2026-06-19T01:40:06.916Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.