Segal Supply — mock CAD asset SKU: 7210-00-139-6428 Name: Innerspring Mattress "Dormitory/Barracks Style" Format: DWG Standards: NSN 7210-00-139-6428, FSC 7210 Generated: 2026-06-18T18:09:43.656Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.