Segal Supply — mock CAD asset SKU: 5133-00-555-3610 Name: Drill Bit (Countersink) Format: STL Standards: NSN 5133-00-555-3610, FSC 5133 Generated: 2026-06-18T20:49:19.034Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.