# United States tariff line 8448.39.90.00: Other

> In the United States tariff, line 8448.39.90.00 covers parts and accessories of machines of heading 8445 or of their auxiliary machinery. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8448.39 in heading 84.48 (chapter 84).

Source: https://border.bot/countries/united-states/hs-codes/8448399000
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) / [8448.39](https://border.bot/countries/united-states/hs-codes/844839) / [8448.39.90.00](https://border.bot/countries/united-states/hs-codes/8448399000)

## Key facts

- Tariff line: 8448.39.90.00
- Covers: Parts and accessories of machines of heading 8445 or of their auxiliary machinery
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8448.39](https://border.bot/hs-codes/844839)

## What this line covers

In the United States tariff, line 8448.39.90.00 covers parts and accessories of machines of heading 8445 or of their auxiliary machinery.

Its legal text is “Other”, read under “Parts and accessories of machines of heading 8445 or of their auxiliary machinery” and “Other”.

## How it is structured

It falls under HS subheading 8448.39 in heading 84.48 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.48: Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms); parts and accessories suitable for use solely or principally with the machines of this heading or of heading 8444, 8445, 8446 or 8447 (for example, spindles and spindle flyers, card clothing, combs, extruding nipples, shuttles, healds and heald-frames, hosiery needles)
- Subheading 8448.39: Parts and accessories of machines of heading 8445 or of their auxiliary machinery
- Within the subheading: Other
- Line 8448.39.90.00: Other

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 8448.39 yet.

- [The Harmonized System text for 8448.39](https://border.bot/hs-codes/844839)

## Other lines under 8448.39

- [8448.39.10.00](https://border.bot/countries/united-states/hs-codes/8448391000) Parts of spinning, doubling or twisting machines
- [8448.39.50.00](https://border.bot/countries/united-states/hs-codes/8448395000) Parts of winding or reeling machines

- Previous line: [8448.39.50.00](https://border.bot/countries/united-states/hs-codes/8448395000) Parts of winding or reeling machines
- Next line: [8448.42.00.00](https://border.bot/countries/united-states/hs-codes/8448420000) Reeds for looms, healds and heald-frames

## Frequently asked questions

### What does tariff line 8448.39.90.00 cover in the United States tariff?

In the United States tariff, line 8448.39.90.00 covers parts and accessories of machines of heading 8445 or of their auxiliary machinery.

### What is the general (MFN) duty on 8448.39.90.00 in the United States?

Goods under this line enter 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/8448399000.json