Segal Supply — mock CAD asset SKU: 5133-01-473-9428 Name: Drill Bit (Countersink) Format: DWG Standards: NSN 5133-01-473-9428, FSC 5133 Generated: 2026-06-18T23:05:19.617Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.