HTS 8540.79 (8540.79.00) duty rate
8540.79.00 is not a rated tariff line. Subheading 8540.79 (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 |
|---|---|---|---|---|
| 8540.79.10 | Other: Klystrons | 3.3% | List 1 +25% | |
| 8540.79.20 | Other: Other | 3.7% | List 1 +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 8540.79 at a glance
- 2 rated tariff lines; 0 duty-free at the general (MFN) rate.
- Ad valorem general rates from 3.3% to 3.7%.
- Section 301 (products of China): 2 of 2 lines on a list in effect (List 1).
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.