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This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

United States Customs Tariff for HS Code 903090

Instruments, apparatus for measuring, checking electrical quantities, not meters of heading no. 9028; parts and accessories, for measuring or detecting alpha, beta, gamma, x-ray, cosmic and other radiations

USITC 2026 HTS Revision 19

26,806 official source entries are searchable. Checked 2026-09-22; edition published 2026-09-15.

Printed tariff and statistical lines from this edition, separate from historical WITS averages. Blank duty cells are not a confirmed zero. Review the parent tariff line, general and chapter notes, chapter 99, origin, exclusions, quotas and additional duties. No shipment total or special-rate eligibility is calculated. The edition publication date is not a line-level effective date.

Official schedule and source documentation

Official entries matching 903090

9030.90.25.00

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › For articles of subheading 9030.10:

Printed circuit assemblies

Source units: No.

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.46.00

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › For articles of subheading 9030.10:

Other

Source units: kg, No.

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.66.00

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Printed circuit assemblies:

Of instruments and apparatus of subheading 9030.40 or 9030.82

Source units: No.

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.68.00

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Printed circuit assemblies:

Other

Source units: No.

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.84.00

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other:

Of instruments and apparatus of subheading 9030.82

Source units: kg

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.89

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other:

Other

Column 1 — General
Free
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
40%
Official source for this code

9030.90.89.11

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.20

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.21

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.31

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.22

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.32

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.23

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.33

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.31

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.39

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.40

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.40

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.56

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Of articles of subheading 9030.84

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code

9030.90.89.61

Oscilloscopes, spectrum analyzers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of heading 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionizing radiations; parts and accessories thereof:​ › Parts and accessories: › Other: › Other: › Other

Other

Source units: kg

Column 1 — General
No amount printed on this row; not a confirmed zero.
Column 1 — Special (eligibility required)
No amount printed on this row; not a confirmed zero.
Column 2
No amount printed on this row; not a confirmed zero.
Parent tariff line 9030.90.89 — read its printed duties and notes

Other

  • Column 1 — General: Free
  • Column 1 — Special (eligibility required): No amount printed.
  • Column 2: 40%
Open parent line in the official schedule
Official source for this code
WITS 2023 historical MFN average

Reported average: 0%.

Source year: 2023. Classification: HS 2022 (H6). Checked 2026-09-14.

National lines included: 6 of 6. Excluded from the average: 0.

Reported ad-valorem range: 0%–0%.

Reported historical ad-valorem MFN simple average for 2023, not a national tariff schedule. No preferential rates, additional duties, VAT, excise or import permissions are determined.

Not a current 2026 national duty. The HS6 average does not determine the duty of a particular national subdivision, origin or shipment.

WITS observation for this code and year

UN Comtrade H6 descriptions (HS 2022)

WITS API definitions: reported averages and excluded national lines

Direct HS code answer for United States

United States HS Code 903090: 0.00% (2023 MFN average)

The source reports an indicative HS6 MFN average of 0.00% (2023 MFN average) for Instruments, apparatus for measuring, checking electrical quantities, not meters of heading no. 9028; parts and accessories, for measuring or detecting alpha, beta, gamma, x-ray, cosmic and other radiations.Source status: not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.

Browse chapter 90Search parent HS 903090Request import report

Customs tariff summary

Country
United States
HS / tariff code
903090
Description
Instruments, apparatus for measuring, checking electrical quantities, not meters of heading no. 9028; parts and accessories, for measuring or detecting alpha, beta, gamma, x-ray, cosmic and other radiations
Chapter
90 —
Heading
9030
Subheading
903090
Indicative MFN HS6 average
0.00% (2023 MFN average)
VAT / tax
Check local VAT and excise rules for the import destination.
Unit / basis
Not listed in this tariff line
Source / vintage
WITS / UNCTAD TRAINS — 2023 MFN HS6 reference

Historical MFN average

0.00% (2023 MFN average)

Import permission

not assessed

Import planning

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Details

HS Code
903090
Chapter
90 —
Heading
9030
Subheading
903090

Compare HS code 903090 across GCC countries

Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.

Saudi ArabiaSearch parent HS 903090United Arab EmiratesSearch parent HS 903090OmanSearch parent HS 903090QatarSearch parent HS 903090KuwaitSearch parent HS 903090BahrainSearch parent HS 903090

Related HS Codes (Heading 9030)

HS CodeDescriptionDuty
903010Instruments and apparatus; for measuring or detecting ionising radiations0.00% (2023 MFN average)WITS 2023 historical MFN average
903020Oscilloscopes and oscillographs0.00% (2023 MFN average)WITS 2023 historical MFN average
903031Multimeters; for measuring or checking voltage, current, resistance or power (other than those for measuring or checking semiconductor wafer or devices), without a recording device0.00% (2023 MFN average)WITS 2023 historical MFN average
903032Multimeters; for measuring or checking voltage, current, resistance or power, with a recording device0.00% (2023 MFN average)WITS 2023 historical MFN average
903033Instruments and apparatus; for measuring or checking voltage, current, resistance or power, without a recording device (excluding multimeters)0.85% (2023 MFN average)WITS 2023 historical MFN average
903039Instruments and apparatus; for measuring or checking voltage, current, resistance or power, with a recording device (excluding multimeters)0.00% (2023 MFN average)WITS 2023 historical MFN average
903040Instruments and apparatus; specially designed for telecommunications (e.g. cross-talk meters, gain measuring instruments, distortion factor meters, psophometers)0.00% (2023 MFN average)WITS 2023 historical MFN average
903082Instruments and apparatus; for measuring or checking semiconductor wafers or devices (including integrated circuits)0.00% (2023 MFN average)WITS 2023 historical MFN average
903084Instruments and apparatus; n.e.c. in heading no. 9030, with a recording device0.00% (2023 MFN average)WITS 2023 historical MFN average
903089Instruments and apparatus; n.e.c. in heading no. 9030, without a recording device0.00% (2023 MFN average)WITS 2023 historical MFN average

Data source: WITS/UNCTAD TRAINS (MFN 2022). Values are indicative HS6 MFN averages, not shipment-specific applied rates. Import permission and restrictions are not assessed. Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.