# United States tariff lines under HS 9032.90

> The United States tariff splits HS 9032.90 (parts and accessories) into 6 national lines: 9032.90.21.00 (designed for use in a 6, 12 or 24 V system), 9032.90.41.00 (other), 9032.90.61.20 (of thermostats), 9032.90.61.40 (of manostats) and 2 others. The general (MFN) duty differs by line: 1.1% on 9032.90.21.00, 1.7% on 9032.90.41.00, 1.7% on 9032.90.61.20, 1.7% on 9032.90.61.40, 1.7% on 9032.90.61.60 and 1.7% on 9032.90.61.80.

Source: https://border.bot/countries/united-states/hs-codes/903290
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) / [9032.90](https://border.bot/countries/united-states/hs-codes/903290)

## Key facts

- HS subheading: [9032.90](https://border.bot/hs-codes/903290)
- National lines: 6
- 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 9032.90

The United States tariff splits HS 9032.90 (parts and accessories) into 6 national lines: 9032.90.21.00 (designed for use in a 6, 12 or 24 V system), 9032.90.41.00 (other), 9032.90.61.20 (of thermostats), 9032.90.61.40 (of manostats) and 2 others.

The general (MFN) duty differs by line: 1.1% on 9032.90.21.00, 1.7% on 9032.90.41.00, 1.7% on 9032.90.61.20, 1.7% on 9032.90.61.40, 1.7% on 9032.90.61.60 and 1.7% on 9032.90.61.80.

- [9032.90.21.00](https://border.bot/countries/united-states/hs-codes/9032902100) Parts and accessories, Of automatic voltage and voltage-current regulators, Designed for use in a 6, 12 or 24 V system. Duty (MFN): 1.1%
- [9032.90.41.00](https://border.bot/countries/united-states/hs-codes/9032904100) Parts and accessories, Of automatic voltage and voltage-current regulators, Other. Duty (MFN): 1.7%
- [9032.90.61.20](https://border.bot/countries/united-states/hs-codes/9032906120) Parts and accessories, Other, Of thermostats. Duty (MFN): 1.7%
- [9032.90.61.40](https://border.bot/countries/united-states/hs-codes/9032906140) Parts and accessories, Other, Of manostats. Duty (MFN): 1.7%
- [9032.90.61.60](https://border.bot/countries/united-states/hs-codes/9032906160) Parts and accessories, Other, Of instruments and apparatus of subheading 9032.81. Duty (MFN): 1.7%
- [9032.90.61.80](https://border.bot/countries/united-states/hs-codes/9032906180) Parts and accessories, Other, Other. Duty (MFN): 1.7%

## In other countries

No other national tariff on border.bot has live lines under 9032.90 yet.

- [The Harmonized System text for 9032.90](https://border.bot/hs-codes/903290)

- Previous subheading: [9032.89](https://border.bot/countries/united-states/hs-codes/903289) Other
- Next subheading: [9033.00](https://border.bot/countries/united-states/hs-codes/903300) Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9032.90?

The United States tariff splits HS 9032.90 (parts and accessories) into 6 national lines: 9032.90.21.00 (designed for use in a 6, 12 or 24 V system), 9032.90.41.00 (other), 9032.90.61.20 (of thermostats), 9032.90.61.40 (of manostats) and 2 others.

### What is the duty on HS 9032.90 in the United States?

The general (MFN) duty differs by line: 1.1% on 9032.90.21.00, 1.7% on 9032.90.41.00, 1.7% on 9032.90.61.20, 1.7% on 9032.90.61.40, 1.7% on 9032.90.61.60 and 1.7% on 9032.90.61.80.

## 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/903290.json