Segal Supply — mock CAD asset SKU: 5133-00-529-4577 Name: Countersink Set Format: STL Standards: NSN 5133-00-529-4577, FSC 5133 Generated: 2026-06-18T23:22:41.233Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.