9031

4-digit heading

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof

This is a 4-digit heading — a category, not a filing code. Pick the more specific code beneath it that best matches your goods; only a 10-digit statistical code can be used on a customs entry.

Duty rates

No rate is published at this level — check the specific 10-digit statistical code beneath it.

Duty rates for HTS 9031
Rate	Value and what it means
General rate (Column 1)	See 10-digit codeColumn 1 general Applies to most trading partners — the standard "normal trade relations" rate.
Special rate (Column 1)	—Trade programs The country letters in parentheses are free trade agreement and preference programs. If your goods qualify under one of them, that rate replaces the general rate.
Column 2 rate	—Non-NTR Reserved for the small group of countries that do not have normal trade relations with the US (currently Cuba, North Korea, Russia and Belarus). Almost no importer uses this column — if you are shipping from anywhere else, ignore it.
Unit of quantity	— How CBP expects the quantity to be reported on the entry summary.

Estimate duty for this code

Codes within Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof

27 more specific lines fall under 9031.

Chapter 90: Optical, Photographic, Measuring, Medical Instruments; Parts

Browse every code in this chapter to compare neighbouring classifications.

View Chapter 90

Source: USITC Harmonized Tariff Schedule, 2026 Basic Edition, Revision 16. Rate text is reproduced verbatim from the official export; category paths and duty estimates are derived.

Data loaded August 18, 2026.Check this chapter on hts.usitc.gov Report an error with this code How this data is built