# United States tariff lines under HS 9027.10

> The United States tariff splits HS 9027.10 (gas or smoke analysis apparatus) into 3 national lines: 9027.10.20.00 (electrical), 9027.10.40.00 (optical instruments and apparatus) and 9027.10.60.00 (other). Every United States line under 9027.10 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/902710
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) / [9027.10](https://border.bot/countries/united-states/hs-codes/902710)

## Key facts

- HS subheading: [9027.10](https://border.bot/hs-codes/902710)
- Duty (MFN): Free
- National lines: 3
- 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 9027.10

The United States tariff splits HS 9027.10 (gas or smoke analysis apparatus) into 3 national lines: 9027.10.20.00 (electrical), 9027.10.40.00 (optical instruments and apparatus) and 9027.10.60.00 (other).

Every United States line under 9027.10 is free of general (MFN) duty.

- [9027.10.20.00](https://border.bot/countries/united-states/hs-codes/9027102000) Gas or smoke analysis apparatus, Electrical. Duty (MFN): free
- [9027.10.40.00](https://border.bot/countries/united-states/hs-codes/9027104000) Gas or smoke analysis apparatus, Other, Optical instruments and apparatus. Duty (MFN): free
- [9027.10.60.00](https://border.bot/countries/united-states/hs-codes/9027106000) Gas or smoke analysis apparatus, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9027.10 yet.

- [The Harmonized System text for 9027.10](https://border.bot/hs-codes/902710)

- Previous subheading: [9026.90](https://border.bot/countries/united-states/hs-codes/902690) Parts and accessories
- Next subheading: [9027.20](https://border.bot/countries/united-states/hs-codes/902720) Chromatographs and electrophoresis instruments

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9027.10?

The United States tariff splits HS 9027.10 (gas or smoke analysis apparatus) into 3 national lines: 9027.10.20.00 (electrical), 9027.10.40.00 (optical instruments and apparatus) and 9027.10.60.00 (other).

### What is the duty on HS 9027.10 in the United States?

Every United States line under 9027.10 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/902710.json