First, a critical clarification: under the International Organization for Standardization (ISO) as of this writing. This is a common point of confusion in technical forums. The most frequently confused standard is ISO 80369 , which governs small-bore connectors for medical devices.
If you are developing a technical document, the provides key guidance: iso 41269 pdf
The number "41269" may be a transcription error from a technical drawing, a legacy internal company number, or a misread of . The latter is the most widely adopted standard for luer connectors used in intravascular applications. a legacy internal company number