Segal Supply — mock CAD asset SKU: 5340-00-081-3381 Name: Boxcar Seal Format: STL Standards: NSN 5340-00-081-3381, FSC 5340 Generated: 2026-06-18T20:42:10.609Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.