232 scope reference › Chapter 84 › 8483.40.5020
HTS 8483.40.5020 Annex I-B — 25%
Official HTSUS description: Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: › Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters: › Gear boxes and other speed changers: › Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation: › Other › Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter
This page reports what CBP's published list says for this HTS number. It does not say whether your product is classified here — that is your licensed customs broker's decision. MetalAttest provides data for the importer's and customs broker's review. We do not classify goods and we do not give customs or legal advice. Your licensed customs broker decides classification and files the entry.
| Listed in | U.S. note 16 (c)(vi) and (c)(vii) to subchapter III, chapter 99 — Derivative aluminum article; Derivative steel article |
|---|---|
| Annex / tier | Annex I-B — 25% |
| Section 232 rate | 25% on full customs value |
| Chapter 99 heading(s) | 9903.82.09 |
| Other treatments | UK-origin 15% (9903.82.05); U.S.-metal threshold (85% from 8 Jun 2026) 10% (9903.82.06). |
| Applicable metal(s) for the 15% test | aluminum + steel (aggregate weight of these metals) |
| 15% de minimis (9903.82.03) | Available in principle: articles outside chapters 72/73/74/76 with less than 15% applicable metal by weight owe 0% (report metal kg as second quantity). Run the calculator. |
| Column 1 general rate | 2.5% |
| Effective | In scope since 2026-04-06 (Proclamation 11021); current list version effective 2026-06-08 |
| Rules-table version | 2026-06-08.1 |
Sources
- CBP CSMS #68855869 — Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper (5 Jun 2026)
- CBP Metals HTS List (attachment to CSMS #68855869, .docx)
- CBP CSMS #68253075 — April 2026 guidance (15% rule, headings 9903.82.02–.17)
- Proclamation 11032, 91 FR 34085 · Proclamation 11021, 91 FR 18201
- USITC HTS entry for 8483.40.5020
Last verified: at smoke-test launch (day 0), against the CBP Metals HTS List attached to CSMS #68855869. Re-checked weekly during the smoke test; see the changelog.
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