Segal Supply — mock CAD asset SKU: 7530-01-153-9699 Name: Tear-Resistant Envelope Format: STL Standards: NSN 7530-01-153-9699, FSC 7530 Generated: 2026-06-19T01:38:29.045Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.