Segal Supply — mock CAD asset SKU: 7210-00-139-6538 Name: Felt Bed Mattress "Institutional Bunk Style" Format: DWG Standards: NSN 7210-00-139-6538, FSC 7210 Generated: 2026-06-18T19:27:01.107Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.