9030.90.89.56 - Of articles of subheading 9030.84

This HTS category, 9030.90.89.56, encompasses parts and accessories specifically designed for instruments and apparatus classified under subheading 9030.84. Subheading 9030.84 covers instruments and apparatus for measuring or checking electrical quantities, which are not specifically covered by other headings within Chapter 90. Therefore, this classification is for components, accessories, or components that are not general purpose but are intended to be used with these particular electrical measurement or checking devices.

The distinction of this category from its siblings lies in the specific subheading it references. For instance, sibling categories like 9030.90.89.11 refer to parts and accessories of articles under subheading 9030.20, which deals with oscilloscopes. Similarly, other siblings are linked to different specific subheadings within 9030. Therefore, the primary classification criterion here is the direct functional relationship of the part or accessory to an electrical measuring or checking instrument classified under 9030.84.

As this is a leaf node, there are no further subdivisions. Classification within 9030.90.89.56 will depend on whether a specific part or accessory is indeed intended for use with an apparatus classified under 9030.84, rather than for oscilloscopes, voltmeters, ammeters, or other specialized electrical measurement instruments covered by different subheadings. Practical examples of items that might fall here could include specialized probes, connectors, internal circuitry, or display components uniquely manufactured for and dedicated to the function of apparatus covered by 9030.84.