Since "369958z hot" lacks a singular official definition, the content can be analyzed by its likely constituent parts:
Specifications (example — adapt to actual product): 369958z hot
If you have just installed a fresh 369958z, it is normal for it to run slightly warmer for the first few hours as the grease distributes itself. However, it should never be "too hot to touch." The Danger Zone: What Happens Next? Since "369958z hot" lacks a singular official definition,