ISO-10303-21; HEADER; /* 5315-00-889-2748 Box Nail */ ENDSEC; DATA; /* NSN 5315-00-889-2748 FSC 5315 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 5315-00-889-2748 Name: Box Nail Format: STEP Standards: NSN 5315-00-889-2748, FSC 5315 Generated: 2026-06-18T19:20:28.058Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.