Which feature allows associating custom attributes to reusable components in NX?

The correct choice revolves around the concept of the Attribute Editor in Siemens NX. This feature specifically facilitates the association of custom attributes to various reusable components within the design environment. By using the Attribute Editor, users can define and manage attributes that provide additional information about the components, such as material specifications, dimensions, or any other custom data that may be necessary for documentation, reporting, or design purposes.

The Attribute Editor allows for a user-friendly interface where attributes can be added, modified, or deleted, enhancing the ability to keep track of component characteristics and ensuring consistency across designs. This functionality is essential when dealing with complex assemblies where many components need specific metadata associated with them for clarity and proper management.

In contrast, other options may not serve the purpose as effectively. For instance, Part Configurators are primarily used for defining and managing variations of parts but do not specifically handle custom attributes. Property Managers might deal with properties related to materials or physical characteristics but lack the depth of customization offered by the Attribute Editor. Configuration Templates are useful for setting up standardized design templates but do not focus on individual attributes for components. Thus, the Attribute Editor stands out as the ideal tool for attaching custom attributes to reusable components.