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SITCSection 7
U.S. imports of alpha, beta & gamma radiation apparatus (medical & other uses) (SITC 77422) totaled $20.7M in July 2026, traded with 27 countries.
Importers of Alpha, Beta & Gamma Radiation Apparatus (Medical & Other Uses) paid $246K in duties in July 2026 — an effective duty rate of 9.1% on $2.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Basic heading 341 of 642 in section 7
Basic heading 77422 · $20.7M of $175.6B
Apparatus utilizing alpha, beta, or gamma radiation—including linear accelerators, brachytherapy units, and nuclear medicine imaging systems such as PET and SPECT scanners—is among the most tightly regulated equipment in international trade. The Nuclear Regulatory Commission (NRC) governs the import of radioactive sources and certain radiation-producing devices, while FDA's CDRH oversees the medical device aspects of radiation-emitting equipment. Shipments containing sealed radioactive sources may also require NRC import licenses and are subject to Department of Energy and Department of Transportation hazardous materials rules. Importers must coordinate across multiple agencies well before the shipment departs the country of origin.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.2K shipments/mo
The NRC (or an Agreement State equivalent) must issue an import license for the radioactive source itself. FDA's CDRH regulates the radiation-emitting device as a medical product. DOT hazmat rules govern transport packaging. All three regulatory frameworks typically apply simultaneously, so early pre-import coordination is essential.
Nuclear medicine imaging systems that detect gamma emissions from radiopharmaceuticals administered to patients—such as PET and SPECT cameras—generally fall within this heading because their operation is based on gamma radiation detection. However, the precise classification should be confirmed with a licensed customs broker, as design specifics and detector technology can affect the applicable tariff line.
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Imports · July 2026
origin
Mexico and Germany together supply 90% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$20.7MYoY · Pro
Exports
$11.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.