Electrical Machinery and Equipment · 2 pending regulations · $5.0M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$5.0M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
LOW
1 rulings — · 2 reg · 0 cases
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 1 NCM code
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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-26 · Updates monthly
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 8540.79 | Other: | — |
| 8540.79.10.00 | Klystrons | 3.3% |
| 8540.79.20.00 | Other | 3.7% |
The tariff classification of an Electron Gun, RF Window and Ion Pump
Request for comments and notice of public hearing.
Technical Corrections to the Harmonized Tariff Schedule of the United States
Technical corrections to the Harmonized Tariff Schedule of the United States.
KLYSTRON MICROWAVE TUBES
Census Bureau export classification matching this HTS import code.
