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ECCN reference · Category 6: Sensors and lasers

ECCN 6A006

"Magnetometers", "magnetic gradiometers", "intrinsic magnetic gradiometers", underwater electric field sensors, "compensation systems", and "specially designed" "components" therefor, as follows

Systems, equipment and components. Reasons for control: NS (National security), AT (Anti-terrorism).

Does 6A006 need a license to your country?

Enter the full classification (for example 6A006.a.1.a) and a destination. The check reads the Country Chart, the end-use and embargo rules, and shows the rule and source behind the answer.

License requirement check

Item classification and destination. No account needed.

An ECCN (such as 5A992.c) is an exact match and works best. Word search matches the official CCL wording and a reviewed list of everyday names as you write them; it does not guess what you mean or fix spelling. Don’t know the ECCN? Use Find the ECCN.

License requirements

Each control below comes from the entry’s License Requirements table. Where it names a Country Chart column, the countries with an X in that column need a license for the items the control covers, unless a License Exception applies.

  • NS (National security): NS applies to entire entry.
    Country Chart column NS2: a license is needed to 156 countries with an X

    Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Armenia, Aruba, Azerbaijan, Bahamas, The, Bahrain, Bangladesh, Barbados, Belarus, Belize, Benin, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, Brunei, Burkina Faso, Burma, Burundi, Cambodia, Cameroon, Cape Verde, Central African Republic, Chad, Chile, China, Colombia, Comoros, Congo (Democratic Republic of the), Congo (Republic of the), Costa Rica, Cote d'Ivoire, Curaçao, Cyprus, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Eswatini, Ethiopia, Fiji, Gabon, Gambia, The, Georgia, Ghana, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Indonesia, Iraq, Israel, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, Kosovo, Kuwait, Kyrgyzstan, Laos, Lebanon, Lesotho, Liberia, Libya, Macau, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Micronesia (Federated State of), Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal, Nicaragua, Niger, Nigeria, North Macedonia, Oman, Pakistan, Palau, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Qatar, Russia, Rwanda, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Sint Maarten (the Dutch two-fifths of the island of Saint Martin), Solomon Islands, Somalia, South Sudan, Republic of, Sri Lanka, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Sudan, Suriname, Taiwan, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, Uruguay, Uzbekistan, Vanuatu, Vatican City, Venezuela, Vietnam, Western Sahara, Yemen, Zambia, Zimbabwe.

  • AT (Anti-terrorism): AT applies to entire entry. No Country Chart country has an X in column AT1; the destinations this control targets are under “Not decided by the Country Chart” below.

Not decided by the Country Chart: Covered Donetsk region of Ukraine (DNR), Covered Luhansk region of Ukraine (LNR), Crimea region of Ukraine, Cuba, Iran, Korea, North, Syria. These destinations are under embargoes or other special controls in 15 CFR Part 746, which require a license for most items whatever the chart shows. Russia and Belarus also have broad Part 746 controls in addition to the chart.

A blank on the Country Chart is not permission to ship. End-use and end-user rules (15 CFR Part 744), embargoes and sanctions (Part 746), and the parties to the transaction still apply. Use the check above for your item and country.

List-based License Exceptions

As the entry lists them. Each exception has its own conditions in 15 CFR Part 740, and § 740.2 bars or limits most of them for Russia, Belarus, Country Group D:5 and embargoed destinations, so an entry’s “Yes” does not mean it is available everywhere.

  • LVS: $1500, N/A for 6A006.a.1; "Magnetometers" and subsystems defined in 6A006.a.2 using optically pumped or nuclear precession (proton/Overhauser) having a 'sensitivity' lower (better) than 2 pT (rms) per square root Hz; and 6A006.d, and 6A006.e.
  • GBS: N/A
  • Special Conditions for STA
  • STA: License Exception STA may not be used to ship any commodity in: 6A006.a.1; or 6A006.a.2; or 6A006.c.1 "Magnetic gradiometers" using multiple "magnetometers" specified by 6A006.a.1 or 6.A006.a.2; or 6A006.d or .e (only for underwater receivers incorporating magnetometers specified in 6A006.a.1 or 6A006.a.2) to any of the destinations listed in Country Group A:6 (See Supplement No.1 to part 740 of the EAR).

Items in 6A006

The controls often apply to some paragraphs only, so check the full paragraph, for example 6A006.a.

Show all 18 paragraphs
  • 6A006.a "Magnetometers" and subsystems, as follows:
  • 6A006.a.1 "Magnetometers" using "superconductive" (SQUID) "technology" and having any of the following:
  • 6A006.a.1.a SQUID systems designed for stationary operation, without "specially designed" subsystems designed to reduce in-motion noise, and having a 'sensitivity' equal to or lower (better) than 50 fT (rms) per square root Hz at a frequency of 1 Hz; or
  • 6A006.a.1.b SQUID systems having an in-motion-magnetometer 'sensitivity' lower (better) than 20 pT (rms) per square root Hz at a frequency of 1 Hz and "specially designed" to reduce in-motion noise;
  • 6A006.a.2 "Magnetometers" using optically pumped or nuclear precession (proton/Overhauser) "technology" having a 'sensitivity' lower (better) than 20 pT (rms) per square root Hz at a frequency of 1 Hz;
  • 6A006.a.3 "Magnetometers" using fluxgate "technology" having a 'sensitivity' equal to or lower (better) than 10 pT (rms) per square root Hz at a frequency of 1 Hz;
  • 6A006.a.4 Induction coil "magnetometers" having a 'sensitivity' lower (better) than any of the following:
  • 6A006.a.4.a 0.05 nT (rms)/square root Hz at frequencies of less than 1 Hz;
  • 6A006.a.4.b 1 × 10^−3 nT (rms)/square root Hz at frequencies of 1 Hz or more but not exceeding 10 Hz; or
  • 6A006.a.4.c 1 × 10^−4 nT (rms)/square root Hz at frequencies exceeding 10 Hz;
  • 6A006.a.5 Fiber optic "magnetometers" having a 'sensitivity' lower (better) than 1 nT (rms) per square root Hz;
  • 6A006.b Underwater electric field sensors having a 'sensitivity' lower (better) than 8 nanovolt per meter per square root Hz when measured at 1 Hz;
  • 6A006.c "Magnetic gradiometers" as follows:
  • 6A006.c.1 "Magnetic gradiometers" using multiple "magnetometers" controlled by 6A006.a;
  • 6A006.c.2 Fiber optic "intrinsic magnetic gradiometers" having a magnetic gradient field 'sensitivity' lower (better) than 0.3 nT/m (rms) per square root Hz;
  • 6A006.c.3 "Intrinsic magnetic gradiometers", using "technology" other than fiber-optic "technology", having a magnetic gradient field 'sensitivity' lower (better) than 0.015 nT/m (rms) per square root Hz;
  • 6A006.d "Compensation systems" for magnetic and underwater electric field sensors resulting in a performance equal to or better than the control parameters of 6A006.a, 6A006.b, and 6A006.c; and
  • 6A006.e Underwater electromagnetic receivers incorporating magnetic field sensors specified by 6A006.a or underwater electric field sensors specified by 6A006.b.

Source

Commerce Control List, 15 CFR Part 774, Supplement No. 1 (official text on eCFR), as of August 21, 2026, 1:45AM EDT. Commerce Country Chart, Supplement No. 1 to Part 738, as of August 21, 2026, 1:45AM EDT.

This page is a preliminary reference, not legal advice, a classification ruling or permission to ship. Confirm the classification against the full official text.