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

9012.90.00.00 - Parts and accessories 🖩

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 classification, HTS Code 9012.90.00.00, encompasses all parts and accessories specifically designed for use with microscopes other than optical microscopes, and diffraction apparatus. This includes components such as specialized lenses, detectors, stages, power supplies, vacuum systems, and control units that are integral to the functioning of these advanced scientific instruments. The scope is limited to items that, by themselves, do not constitute a complete microscope or diffraction apparatus but are intended for the assembly, repair, or enhancement of such devices.

Distinguishing this category from its sibling, 9012.10.00.00 (Microscopes other than optical microscopes; diffraction apparatus), is crucial. While 9012.10.00.00 covers the complete instruments themselves, 9012.90.00.00 exclusively pertains to the individual constituent parts and supplementary items necessary for their operation or maintenance. Therefore, if an item is a functional component that contributes to the overall operation of a non-optical microscope or diffraction apparatus, it falls under this parts and accessories heading.

As this is a leaf node within the HTS, there are no further subcategories for this particular code. Classification decisions for items falling under 9012.90.00.00 will therefore hinge on their direct and exclusive suitability for use with the instruments described in heading 9012. The fundamental criterion is whether the article is identifiable as a part or accessory that cannot reasonably be used for any other purpose.

Frequently Asked Questions

›What is HTS code 9012.90.00.00?
HTS code 9012.90.00.00 covers Parts and accessories 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 9012.90.00.00?
This classification covers Parts and accessories. It is a subcategory of Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof: (9012).
›What is the import duty rate for 9012.90.00.00?
The general rate of duty for HTS 9012.90.00.00 is Free. The Column 2 rate is 40%.
›What unit of quantity is used for 9012.90.00.00?
Imports under HTS 9012.90.00.00 are measured in kg.

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