8479.90—Parts
General duty rate
Free
Across 11 10-digit lines
Coverage on this page
Plain-English explanation
HTS 8479.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts. It sits 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 and rolls up 11 10-digit statistical lines, all with a general duty rate of Free. 23 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 18 AD/CVD orders flag at least one child line.
10-digit lines under 8479.90(11)
Pick a line to view full rate detail and compute landed duty
8479.90.41.00Of articles of subheading 8479.89.10 or 8479.89.70Free8479.90.45.00Frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front platesFree8479.90.55.00Ram assemblies incorporating a ram wrapper and/or ram coverFree8479.90.65.00Container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container frontFree8479.90.75.00Cabinets or casesFree8479.90.85.00OtherTariff modifications(23)
Chapter 99 overlays touching one or more lines under 8479.90
| Code | Authority | Rate |
|---|---|---|
| 9903.88.01 | section_301 | The duty provided in the applicable subheading plus 25% |
| 9903.88.15 | section_301 | The duty provided in the applicable subheading + 7.5% |
| 9903.82.05 | section_232 | 15% |
| 9903.82.13 |
AD/CVD orders(18)
Antidumping or countervailing orders covering one or more lines under 8479.90
Frequently asked questions
What does HTS 8479.90 cover?
HTS 8479.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts. It belongs to Chapter 84 and rolls up 11 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 8479.90?
Every 10-digit line under HTS 8479.90 carries a general (Column 1) duty rate of Free. Section 301, Section 232, and AD/CVD overlays may stack on top of this rate at the per-line level — open a specific 10-digit code to see its complete tariff stack.
How do I find the right 10-digit line under HTS 8479.90?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8479.90 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 8479.90?
Learn more
Tandom guides relevant to this code
Section 301 China tariff exclusions in 2026
What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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Section 232 steel, aluminum, and copper duties in 2026
What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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