HTS 8540.71 (8540.71.00) duty rate
8540.71.00 is not a rated tariff line. Subheading 8540.71 (Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof › Microwave tubes (for example, magnetrons, klystrons, traveling wave tubes, carcinotrons), excluding grid-contro) is split into 2 tariff lines, and the duty rate depends on which one your product falls under:
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 8540.71.20 | Modified for use as parts of microwave ovens | Free | List 3 +25% | |
| 8540.71.40 | Magnetrons: Other | 3.7% | List 3 +25% |
Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.
Subheading 8540.71 at a glance
- 2 rated tariff lines; 1 duty-free at the general (MFN) rate.
- Ad valorem general rates from 3.7% to 3.7%.
- Section 301 (products of China): 2 of 2 lines on a list in effect (List 3).
Heading 8540 · Chapter 85 · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.