HS Code for Crystal Oscillators
The HS Code for crystal oscillators is 854160. The MFN duty rate for importing to the US is Free.
| HS Code (6-digit) | 854160 |
|---|---|
| US Duty Rate (MFN) | Free |
| EU Duty Rate (MFN) | 0% |
| Chapter | 85 |
| Heading | 8541 |
| Last Updated | 2026-05 |
Description
Mounted piezoelectric crystals
HS Code 854160 covers mounted piezoelectric crystal oscillators with a US MFN duty rate of Free.
Frequently Asked Questions
Why are crystal oscillator imports under HTS 8541.60 frequently targeted for customs examinations?
Crystal oscillators are dual-use items with potential military applications in guidance and communication systems, making them subject to strict export controls from the country of manufacture. Customs authorities often inspect these shipments to verify the declared technical specifications, manufacturer, and end-use against import licenses and to ensure compliance with international non-proliferation regimes. Incorrect or incomplete documentation regarding frequency stability, operating temperature range, or the end-user can lead to significant delays and potential seizure.
Are there any additional tariffs or fees beyond the general MFN rate for crystal oscillators (HTS 8541.60)?
Yes, crystal oscillators imported into the United States are subject to Section 301 tariffs of Free from China, which is a significant additional cost on top of the 0% general (MFN) duty rate. Furthermore, you will also be responsible for Merchandise Processing Fees (MPF) and potentially Harbor Maintenance Fees (HMF) upon entry.
Compliance Notes for Crystal Oscillators
Crystal oscillators are subject to export controls and sanctions screening due to their use in telecommunications and advanced electronics. The U.S. Export Administration Regulations (EAR) classify many under ECCN 3A991, requiring due diligence for shipments to entities on the Entity List. Importers must also ensure labeling and documentation comply with FCC Part 15 rules for unintentional radiators. Specific models may require additional licenses if they operate at frequencies or with stability levels critical for military or encryption applications.
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