8409.10.00.40—For use in civil aircraft
General
Free
Units
kg
Column 2
35%
Special
—
8409.10.00.40—For use in civil aircraftGeneral
Free
Units
kg
Column 2
35%
Special
—
HTS 8409.10.00.40 is the U.S. Harmonized Tariff Schedule classification for For use in civil aircraft. It's a 10-digit statistical line in Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. 4 Chapter 99 tariff modifications currently stack on top of the base rate.
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Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.74.08 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.74.09 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.74.10 | section_232 | The duty provided in the applicable subheading |
| 9903.74.11 | section_232 | The duty provided in the applicable subheading |
HTS 8409.10.00.40 is the U.S. Harmonized Tariff Schedule classification for For use in civil aircraft. It belongs to Chapter 84 of the HTSUS.
The general (Column 1) duty rate for HTS 8409.10.00.40 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 8409.10.00.40 is 35%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 8409.10.00.40 is covered by section_232 provision 9903.74.08 (The duty provided in the applicable subheading + 25%). 3 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 8409.10.00.40 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Tandom guides relevant to this code
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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