# United States tariff lines under HS 8504.90

> The United States tariff splits HS 8504.90 (parts) into 12 national lines: 8504.90.20.00 (printed circuit assemblies), 8504.90.41.00 (other), 8504.90.65.00 (of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus), 8504.90.75.00 (other) and 8 others. Every United States line under 8504.90 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/850490
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8504.90](https://border.bot/countries/united-states/hs-codes/850490)

## Key facts

- HS subheading: [8504.90](https://border.bot/hs-codes/850490)
- Duty (MFN): Free
- National lines: 12
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

## United States lines under 8504.90

The United States tariff splits HS 8504.90 (parts) into 12 national lines: 8504.90.20.00 (printed circuit assemblies), 8504.90.41.00 (other), 8504.90.65.00 (of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus), 8504.90.75.00 (other) and 8 others.

Every United States line under 8504.90 is free of general (MFN) duty.

- [8504.90.20.00](https://border.bot/countries/united-states/hs-codes/8504902000) Parts, Of power supplies for automatic data processing machines or units thereof of heading 8471; of power supplies for goods of subheading 8443.31 or 8443.32; of power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Printed circuit assemblies. Duty (MFN): free
- [8504.90.41.00](https://border.bot/countries/united-states/hs-codes/8504904100) Parts, Of power supplies for automatic data processing machines or units thereof of heading 8471; of power supplies for goods of subheading 8443.31 or 8443.32; of power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other. Duty (MFN): free
- [8504.90.65.00](https://border.bot/countries/united-states/hs-codes/8504906500) Parts, Other, Printed circuit assemblies, Of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus. Duty (MFN): free
- [8504.90.75.00](https://border.bot/countries/united-states/hs-codes/8504907500) Parts, Other, Printed circuit assemblies, Other. Duty (MFN): free
- [8504.90.96.10](https://border.bot/countries/united-states/hs-codes/8504909610) Parts, Other, Other, Ferrites, For transformers. Duty (MFN): free
- [8504.90.96.30](https://border.bot/countries/united-states/hs-codes/8504909630) Parts, Other, Other, Ferrites, Other. Duty (MFN): free
- [8504.90.96.34](https://border.bot/countries/united-states/hs-codes/8504909634) Parts, Other, Other, Other parts, Of transformers, Laminations for incorporation into stacked cores. Duty (MFN): free
- [8504.90.96.38](https://border.bot/countries/united-states/hs-codes/8504909638) Parts, Other, Other, Other parts, Of transformers, Stacked cores for incorporation into transformers. Duty (MFN): free
- [8504.90.96.42](https://border.bot/countries/united-states/hs-codes/8504909642) Parts, Other, Other, Other parts, Of transformers, Wound cores for incorporation into transformers. Duty (MFN): free
- [8504.90.96.46](https://border.bot/countries/united-states/hs-codes/8504909646) Parts, Other, Other, Other parts, Of transformers, Other. Duty (MFN): free
- [8504.90.96.50](https://border.bot/countries/united-states/hs-codes/8504909650) Parts, Other, Other, Other parts, Of static converters. Duty (MFN): free
- [8504.90.96.90](https://border.bot/countries/united-states/hs-codes/8504909690) Parts, Other, Other, Other parts, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8504.90 yet.

- [The Harmonized System text for 8504.90](https://border.bot/hs-codes/850490)

- Previous subheading: [8504.50](https://border.bot/countries/united-states/hs-codes/850450) Other inductors
- Next subheading: [8505.11](https://border.bot/countries/united-states/hs-codes/850511) Electromagnets; permanent magnets and articles intended to become permanent magnets after magnetization; electromagnetic or permanent magnet chucks, clamps and similar holding devices; electromagnetic couplings, clutches and brakes; electromagnetic lifting heads; parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8504.90?

The United States tariff splits HS 8504.90 (parts) into 12 national lines: 8504.90.20.00 (printed circuit assemblies), 8504.90.41.00 (other), 8504.90.65.00 (of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus), 8504.90.75.00 (other) and 8 others.

### What is the duty on HS 8504.90 in the United States?

Every United States line under 8504.90 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/850490.json