A tolerance that specifically governs the assembly of parts is known as?

The tolerance that specifically governs the assembly of parts is known as location tolerance. This type of tolerance focuses on the precise positioning of features on a component, ensuring that they fit correctly with other parts during assembly. By defining how much variation is permissible in the location of these features, location tolerances help to prevent misalignment or non-fitting parts, which are critical in ensuring the proper functionality of the assembled product. This is especially important in complex assemblies where multiple components need to interact accurately.

In contrast, form tolerance refers to the shape characteristics of a part, general tolerance applies to standard specifications across various dimensions without specific focus on assembly, and functional tolerance encompasses a broader category, including attributes related to the part's performance in its intended application rather than just its assembly.