ISO-10303-21; HEADER; /* 7510-01-357-6835 Ballpoint Pen Refill */ ENDSEC; DATA; /* NSN 7510-01-357-6835 FSC 7510 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 7510-01-357-6835 Name: Ballpoint Pen Refill Format: IGES Standards: NSN 7510-01-357-6835, FSC 7510 Generated: 2026-06-18T20:34:19.326Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.