ISO-10303-21; HEADER; /* 8540-01-494-1900 Paper Towels */ ENDSEC; DATA; /* NSN 8540-01-494-1900 FSC 8540 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 8540-01-494-1900 Name: Paper Towels Format: STEP Standards: NSN 8540-01-494-1900, FSC 8540 Generated: 2026-06-18T21:35:52.249Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.