ISO-10303-21; HEADER; /* 7520-01-484-4581 Bookends */ ENDSEC; DATA; /* NSN 7520-01-484-4581 FSC 7520 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 7520-01-484-4581 Name: Bookends Format: IGES Standards: NSN 7520-01-484-4581, FSC 7520 Generated: 2026-06-18T21:03:38.859Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.