To look up stock on a specific PN, launch SAP and enter MD04 in the search bar, or open under favorites.

Enter PN in Material field and 7003 in Plant field, click enter.

This will bring up the stock screen.

Sometimes there are notes included, always check to see if the PN has been replaced with another PN or other important information that would be listed here.

If you are trying to a find competitors styli, instead of entering the PN in the Material field you will click the magnifying glass next to it.

Find the "Material by vendor's material number" tab. Enter any of the below 3 vendor numbers and click enter.

Q-Mark - 5556248

Renishaw - 5556328

Carbide Probes - 5556303

This will pull up a new window with the ZEISS PN's and vendor PN's as well as a brief description of the item.