💾 Data Updated: Latest version • Last updated: December 09, 2025

9030.90.89.21 - Of articles of subheading 9030.31 🖩

Details

FieldValue
Unit of Quantitykg
General Rate of Duty (Column 1 - General)Free
Special Rate of Duty (Column 1 - Special)N/A
Column 2 Rate of Duty40%
Quota QuantityN/A
Additional DutiesN/A
About Duty Rates: Rates are divided into Column 1 and Column 2. Column 1 is subdivided into General (normal trade relations rates for all countries not eligible for special programs) and Special (preferential rates for countries with free trade agreements or preference programs). Column 2 rates apply to products from Cuba, North Korea, Belarus, and Russia. When no special rate exists for a classification, General rates apply.

Overview

This HTS code, 9030.90.89.21, specifically covers parts and accessories pertaining to instruments and apparatus for measuring or checking electrical quantities, as described under subheading 9030.31. Subheading 9030.31 encompasses oscilloscopes and spectrum analyzers. Therefore, this classification would apply to components, fittings, and ancillary items designed for use with these specific types of electrical measuring devices, such as probes, connectors, specialized cables, or internal circuit boards uniquely manufactured for these instruments.

It is crucial to distinguish this category from its sibling entries. For instance, sibling category 9030.90.89.11 pertains to parts for oscilloscopes and spectrum analyzers covered by subheading 9030.20, which are a different set of electrical measuring instruments. Similarly, codes like 9030.90.89.22 and 9030.90.89.23 are designated for parts related to subheadings 9030.32 and 9030.33 respectively, which cover other types of electrical quantity measuring apparatus. The precise designation of 9030.90.89.21 relies on the specific reference to subheading 9030.31, highlighting the direct link between the part and the particular instrument type.

As this is a leaf node within the HTS structure, there are no further subcategories to explore. Therefore, the classification is definitive at this level. When classifying items under 9030.90.89.21, focus on whether the part or accessory is exclusively designed or adapted for use with oscilloscopes or spectrum analyzers falling under subheading 9030.31, ensuring it is not interchangeable with parts for other categories of electrical measuring instruments.

Frequently Asked Questions

›What is HTS code 9030.90.89.21?
HTS code 9030.90.89.21 covers Of articles of subheading 9030.31 under the US Harmonized Tariff Schedule. It falls under Chapter 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof.
›What products are classified under 9030.90.89.21?
This classification covers Of articles of subheading 9030.31. It is a subcategory of Other (9030.90.89).
›What is the import duty rate for 9030.90.89.21?
The general rate of duty for HTS 9030.90.89.21 is Free. The Column 2 rate is 40%.
›What unit of quantity is used for 9030.90.89.21?
Imports under HTS 9030.90.89.21 are measured in kg.

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