Section XVIII · Optical, photographic, measuring, medical or surgical instruments
9025.90
Parts and accessories
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Chapter
Optical, photographic, measuring, medical or surgical instruments
Heading
The product family within the chapter
Subheading
The specific good, identical worldwide
The first six digits are the same in every country that uses the Harmonized System. The United States adds two more for the tariff rate and, often, two more for statistics — which is why the rates below are listed against 8- and 10-digit numbers rather than against this code.
How the schedule reaches this code
- 90Optical, photographic, measuring, medical or surgical instruments
- 9025Hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments; parts and accessories thereof:
- Parts and accessories
Published US duty rates
Duty is set at the 8- or 10-digit line, not at this 6-digit subheading, so more than one rate can sit under this code.
- 9025.90.06.00Parts and accessorieskg
- General
- Free
- Special (FTA)
- —
- Column 2
- The rate applicable to the article of which it is a part or accessory
No preferential rate published.
Countries without normal trade relations.
This is the listed rate. Antidumping and countervailing duty orders, Chapter 99 actions and preference qualification all change what is actually collected, and classification is a judgement about your goods. Verify with your licensed customs broker before you file.
Estimate the duty for this code
Choose where the goods come from and enter their customs value in US dollars. Free, with no signup — an estimate from the published rates, to confirm with your licensed customs broker.
Other subheadings in heading 9025
Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 20, released 2026-09-28, published at hts.usitc.gov. A U.S. Government work in the public domain.