ISO-10303-21; HEADER; /* 7510-01-484-4561 Rsp Chain Pen Refill */ ENDSEC; DATA; /* NSN 7510-01-484-4561 FSC 7510 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 7510-01-484-4561 Name: Rsp Chain Pen Refill Format: STEP Standards: NSN 7510-01-484-4561, FSC 7510 Generated: 2026-06-18T23:01:26.926Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.