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SITCSection 7
U.S. imports of machinery and apparatus for isotopic separation, and parts (SITC 72847) totaled $6.1M in April 2026, traded with 4 countries.
Importers of Machinery and Apparatus for Isotopic Separation, and Parts paid $1.0M in duties in April 2026 — an effective duty rate of 13% on $8.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Machinery and Apparatus for Isotopic Separation, and Parts imports of $6.1M in April 2026 ran 31% above the year-to-date monthly average of $4.7M.
Last updated: April 2026 dataCentrifuges, calutrons, gaseous-diffusion equipment, and other apparatus designed to separate isotopes — along with their dedicated parts — occupy this highly specialized heading. Isotope-separation equipment is subject to stringent export-control and non-proliferation oversight globally; US imports are scrutinized under nuclear-related regulatory frameworks, and certain configurations may require Department of Energy or Nuclear Regulatory Commission review in addition to standard CBP entry. Commercial applications span medical isotope production, nuclear fuel enrichment, and scientific research.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Depending on the specific equipment and its intended use, the Nuclear Regulatory Commission (NRC) and the Department of Energy (DOE) may have jurisdiction. Equipment capable of uranium enrichment or plutonium separation is subject to nuclear non-proliferation controls, and an import license or authorization may be required before entry. Importers should engage specialized legal counsel alongside a licensed customs broker well before shipment.
Parts specifically designed for isotope-separation equipment are classified within this heading and generally carry the same export-control and import-scrutiny profile as the complete machines. Generic components that happen to be used in such equipment but have broad commercial applications may be classified differently, making precise technical documentation critical for correct entry.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| NETHERLANDS | $4.8M | -- | -$4.8M |
| GERMANY | $1.3M | -- | -$1.3M |
| ITALY | $24K | -- | -$24K |
| DOMINICAN REPUBLIC | -- | $14K | +$14K |
| INDIA | -- | $3K | +$3K |
Monthly import values over time