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HSChapter 85
U.S. imports of electron guns; radio frequency interaction structures for microwave tubes of subheadings 8540.41 thru 8540.49, inclusive (HS 8540994000) totaled $374K in June 2026, traded with 7 countries.
Importers of Electron Guns; Radio Frequency Interaction Structures for Microwave Tubes of Subheadings 8540.41 Thru 8540.49, Inclusive paid $29K in duties in June 2026 — an effective duty rate of 10% on $288K in dutiable value, based on actual customs collections rather than the published tariff schedule. Electron Guns; Radio Frequency Interaction Structures for Microwave Tubes of Subheadings 8540.41 Thru 8540.49, Inclusive imports of $374K in June 2026 ran 64% above the year-to-date monthly average of $228K.
Supplier Network
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| UNITED KINGDOM | $107K | -- | -$107K |
| GERMANY | $96K | -- | -$96K |
| CANADA | $86K | -- | -$86K |
| FRANCE | $85K | -- | -$85K |
| SWEDEN | -- | -- | -- |
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.