ISO-10303-21; HEADER; /* 5120-01-428-8057 Hex Key Set (Jackknife Type) */ ENDSEC; DATA; /* NSN 5120-01-428-8057 FSC 5120 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 5120-01-428-8057 Name: Hex Key Set (Jackknife Type) Format: IGES Standards: NSN 5120-01-428-8057, FSC 5120 Generated: 2026-06-19T03:06:57.971Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.