Segal Supply — mock CAD asset SKU: 7530-00-242-1218 Name: Unprinted Envelope Format: STL Standards: NSN 7530-00-242-1218, FSC 7530 Generated: 2026-06-19T04:02:40.362Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.