ISO-10303-21; HEADER; /* 5133-00-224-1965 Drill Bit (Countersink) */ ENDSEC; DATA; /* NSN 5133-00-224-1965 FSC 5133 */ ENDSEC; END-ISO-10303-21; Segal Supply — mock CAD asset SKU: 5133-00-224-1965 Name: Drill Bit (Countersink) Format: IGES Standards: NSN 5133-00-224-1965, FSC 5133 Generated: 2026-06-18T20:49:48.310Z NOTE: placeholder geometry for demonstration. Production assets stream from the CAD repository behind this same URL with DATA_SOURCE=live.