Segal Supply — mock CAD asset SKU: 7530-00-286-6965 Name: Preprinted Envelope Format: STL Standards: NSN 7530-00-286-6965, FSC 7530 Generated: 2026-06-18T21:53:39.971Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.