# United States tariff lines under HS 9031.80

> The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other). Every United States line under 9031.80 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/903180
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9031.80](https://border.bot/countries/united-states/hs-codes/903180)

## Key facts

- HS subheading: [9031.80](https://border.bot/hs-codes/903180)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9031.80

The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other).

Every United States line under 9031.80 is free of general (MFN) duty.

- [9031.80.40.00](https://border.bot/countries/united-states/hs-codes/9031804000) Other instruments, appliances and machines, Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles. Duty (MFN): free
- [9031.80.80.60](https://border.bot/countries/united-states/hs-codes/9031808060) Other instruments, appliances and machines, Other, Equipment for testing the characteristics of internal combustion engines, For testing electrical characteristics. Duty (MFN): free
- [9031.80.80.70](https://border.bot/countries/united-states/hs-codes/9031808070) Other instruments, appliances and machines, Other, Equipment for testing the characteristics of internal combustion engines, Other. Duty (MFN): free
- [9031.80.80.85](https://border.bot/countries/united-states/hs-codes/9031808085) Other instruments, appliances and machines, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9031.80 yet.

- [The Harmonized System text for 9031.80](https://border.bot/hs-codes/903180)

- Previous subheading: [9031.49](https://border.bot/countries/united-states/hs-codes/903149) Other
- Next subheading: [9031.90](https://border.bot/countries/united-states/hs-codes/903190) Parts and accessories

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9031.80?

The United States tariff splits HS 9031.80 (other instruments, appliances and machines) into 4 national lines: 9031.80.40.00 (electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles), 9031.80.80.60 (for testing electrical characteristics), 9031.80.80.70 (other) and 9031.80.80.85 (other).

### What is the duty on HS 9031.80 in the United States?

Every United States line under 9031.80 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/903180.json