# HS code 8442.40: Parts of the foregoing machinery, apparatus or equipment

> HS code 8442.40 covers parts of the foregoing machinery, apparatus or equipment. It sits in heading 84.42 (machinery, apparatus and equipment (other than the machines of headings 84.56 to 84.65) for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.42 are classified under 8442.30 (machinery, apparatus and equipment) and 8442.50 (plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)).

Source: https://staging.border.bot/hs-codes/844240
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 84](https://staging.border.bot/hs-codes/84) / [84.42](https://staging.border.bot/hs-codes/8442) / [8442.40](https://staging.border.bot/hs-codes/844240)

## Key facts

- HS code: 8442.40
- Covers: Parts of the foregoing machinery, apparatus or equipment
- Heading: [84.42: Machinery, apparatus and equipment (other than the machines of headings 84.56 to 84.65) for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)](https://staging.border.bot/hs-codes/8442)
- Chapter: [84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof](https://staging.border.bot/hs-codes/84)
- Edition: HS2022
- Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries)

## What this code covers

HS code 8442.40 covers parts of the foregoing machinery, apparatus or equipment.

The legal text of the subheading is “Parts of the foregoing machinery, apparatus or equipment”, in HS2022.

## What it doesn’t cover

Other goods of heading 84.42 are classified under 8442.30 (machinery, apparatus and equipment) and 8442.50 (plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)).

- [8442.30](https://staging.border.bot/hs-codes/844230) Machinery, apparatus and equipment
- [8442.50](https://staging.border.bot/hs-codes/844250) Plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)

## How it is structured

8442.40 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8442, are heading 84.42; the last two, 40, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.42: Machinery, apparatus and equipment (other than the machines of headings 84.56 to 84.65) for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)
- Subheading 8442.40: Parts of the foregoing machinery, apparatus or equipment

## In other countries

No national tariff lines under 8442.40 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 8442.40 at six digits and add their own digits after it.

- Previous subheading: [8442.30](https://staging.border.bot/hs-codes/844230) Machinery, apparatus and equipment
- Next subheading: [8442.50](https://staging.border.bot/hs-codes/844250) Plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)

## Frequently asked questions

### What does HS code 8442.40 cover?

HS code 8442.40 covers parts of the foregoing machinery, apparatus or equipment.

### Which heading and chapter is HS code 8442.40 in?

HS code 8442.40 is in heading 84.42 (machinery, apparatus and equipment (other than the machines of headings 84.56 to 84.65) for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).

### Where are goods of heading 84.42 classified when 8442.40 doesn’t fit?

Other goods of heading 84.42 are classified under 8442.30 (machinery, apparatus and equipment) and 8442.50 (plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished)).

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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.

Machine-readable: https://staging.border.bot/hs-codes/844240.json