# United States tariff lines under HS 8423.90

> The United States tariff splits HS 8423.90 (weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines; weighing machine weights of all kinds; parts of weighing machinery, weighing machine weights of all kinds; parts of weighing machinery) into 2 national lines: 8423.90.10.00 (parts of weighing machinery using electronic means for gauging weight, excluding parts of machines for weighing motor vehicles) and 8423.90.90.00 (other). The general (MFN) duty differs by line: free on 8423.90.10.00 and 2.8% on 8423.90.90.00.

Source: https://border.bot/countries/united-states/hs-codes/842390
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8423.90](https://border.bot/countries/united-states/hs-codes/842390)

## Key facts

- HS subheading: [8423.90](https://border.bot/hs-codes/842390)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8423.90

The United States tariff splits HS 8423.90 (weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines; weighing machine weights of all kinds; parts of weighing machinery, weighing machine weights of all kinds; parts of weighing machinery) into 2 national lines: 8423.90.10.00 (parts of weighing machinery using electronic means for gauging weight, excluding parts of machines for weighing motor vehicles) and 8423.90.90.00 (other).

The general (MFN) duty differs by line: free on 8423.90.10.00 and 2.8% on 8423.90.90.00.

- [8423.90.10.00](https://border.bot/countries/united-states/hs-codes/8423901000) Weighing machine weights of all kinds; parts of weighing machinery, Parts of weighing machinery using electronic means for gauging weight, excluding parts of machines for weighing motor vehicles. Duty (MFN): free
- [8423.90.90.00](https://border.bot/countries/united-states/hs-codes/8423909000) Weighing machine weights of all kinds; parts of weighing machinery, Other. Duty (MFN): 2.8%

## In other countries

No other national tariff on border.bot has live lines under 8423.90 yet.

- [The Harmonized System text for 8423.90](https://border.bot/hs-codes/842390)

- Previous subheading: [8423.89](https://border.bot/countries/united-states/hs-codes/842389) Other
- Next subheading: [8424.10](https://border.bot/countries/united-states/hs-codes/842410) Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines; parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8423.90?

The United States tariff splits HS 8423.90 (weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines; weighing machine weights of all kinds; parts of weighing machinery, weighing machine weights of all kinds; parts of weighing machinery) into 2 national lines: 8423.90.10.00 (parts of weighing machinery using electronic means for gauging weight, excluding parts of machines for weighing motor vehicles) and 8423.90.90.00 (other).

### What is the duty on HS 8423.90 in the United States?

The general (MFN) duty differs by line: free on 8423.90.10.00 and 2.8% on 8423.90.90.00.

## 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/842390.json
