# HS code 8478.90: Parts

> HS code 8478.90 covers parts. It sits in heading 84.78 (machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.78 are classified under 8478.10 (machinery). National tariff lines under 8478.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/847890
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 84](https://border.bot/hs-codes/84) / [84.78](https://border.bot/hs-codes/8478) / [8478.90](https://border.bot/hs-codes/847890)

## Key facts

- HS code: 8478.90
- Covers: Parts
- Heading: [84.78: Machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter](https://border.bot/hs-codes/8478)
- Chapter: [84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof](https://border.bot/hs-codes/84)
- Edition: HS2022
- Duty in the United States: [See its 2 lines](https://border.bot/countries/united-states/hs-codes/847890)

## What this code covers

HS code 8478.90 covers parts.

The legal text of the subheading is “Parts”, in HS2022.

## What it doesn’t cover

Other goods of heading 84.78 are classified under 8478.10 (machinery).

- [8478.10](https://border.bot/hs-codes/847810) Machinery

## How it is structured

8478.90 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8478, are heading 84.78; the last two, 90, 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 84.78: Machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter
- Subheading 8478.90: Parts

## In other countries

National tariff lines under 8478.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/847890): 2 lines, used by 1 other country

## Related codes

The same text, “Parts”, also divides 33 other headings in chapter 84: 8402.90 under heading 84.02, 8403.90 under heading 84.03, 8404.90 under heading 84.04, 8405.90 under heading 84.05, 8406.90 under heading 84.06, 8412.90 under heading 84.12, 8414.90 under heading 84.14 and 8415.90 under heading 84.15 and others.

- [8402.90](https://border.bot/hs-codes/840290) Heading 84.02: Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers
- [8403.90](https://border.bot/hs-codes/840390) Heading 84.03: Central heating boilers other than those of heading 84.02
- [8404.90](https://border.bot/hs-codes/840490) Heading 84.04: Auxiliary plant for use with boilers of heading 84.02 or 84.03 (for example, economisers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapour power units
- [8405.90](https://border.bot/hs-codes/840590) Heading 84.05: Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers
- [8406.90](https://border.bot/hs-codes/840690) Heading 84.06: Steam turbines and other vapour turbines
- [8412.90](https://border.bot/hs-codes/841290) Heading 84.12: Other engines and motors
- [8414.90](https://border.bot/hs-codes/841490) Heading 84.14: Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters
- [8415.90](https://border.bot/hs-codes/841590) Heading 84.15: Air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated
- [8416.90](https://border.bot/hs-codes/841690) Heading 84.16: Furnace burners for liquid fuel, for pulverised solid fuel or for gas; mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances
- [8417.90](https://border.bot/hs-codes/841790) Heading 84.17: Industrial or laboratory furnaces and ovens, including incinerators, non-electric
- [8419.90](https://border.bot/hs-codes/841990) Heading 84.19: Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 85.14), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilising, pasteurising, steaming, drying, evaporating, vaporising, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, non-electric
- [8422.90](https://border.bot/hs-codes/842290) Heading 84.22: Dish washing machines; machinery for cleaning or drying bottles or other containers; machinery for filling, closing, sealing or labelling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; other packing or wrapping machinery (including heat-shrink wrapping machinery); machinery for aerating beverages
- [8424.90](https://border.bot/hs-codes/842490) Heading 84.24: 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
- [8432.90](https://border.bot/hs-codes/843290) Heading 84.32: Agricultural, horticultural or forestry machinery for soil preparation or cultivation; lawn or sports-ground rollers
- [8433.90](https://border.bot/hs-codes/843390) Heading 84.33: Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 84.37
- [8434.90](https://border.bot/hs-codes/843490) Heading 84.34: Milking machines and dairy machinery
- [8435.90](https://border.bot/hs-codes/843590) Heading 84.35: Presses, crushers and similar machinery used in the manufacture of wine, cider, fruit juices or similar beverages
- [8437.90](https://border.bot/hs-codes/843790) Heading 84.37: Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm-type machinery
- [8438.90](https://border.bot/hs-codes/843890) Heading 84.38: Machinery, not specified or included elsewhere in this Chapter, for the industrial preparation or manufacture of food or drink, other than machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils
- [8440.90](https://border.bot/hs-codes/844090) Heading 84.40: Book-binding machinery, including book-sewing machines
- [8441.90](https://border.bot/hs-codes/844190) Heading 84.41: Other machinery for making up paper pulp, paper or paperboard, including cutting machines of all kinds
- [8450.90](https://border.bot/hs-codes/845090) Heading 84.50: Household or laundry-type washing machines, including machines which both wash and dry
- [8451.90](https://border.bot/hs-codes/845190) Heading 84.51: Machinery (other than machines of heading 84.50) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating textile yarns, fabrics or made up textile articles and machines for applying the paste to the base fabric or other support used in the manufacture of floor coverings such as linoleum; machines for reeling, unreeling, folding, cutting or pinking textile fabrics
- [8453.90](https://border.bot/hs-codes/845390) Heading 84.53: Machinery for preparing, tanning or working hides, skins or leather or for making or repairing footwear or other articles of hides, skins or leather, other than sewing machines
- [8454.90](https://border.bot/hs-codes/845490) Heading 84.54: Converters, ladles, ingot moulds and casting machines, of a kind used in metallurgy or in metal foundries
- [8468.90](https://border.bot/hs-codes/846890) Heading 84.68: Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 85.15; gas-operated surface tempering machines and appliances
- [8474.90](https://border.bot/hs-codes/847490) Heading 84.74: Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or moulding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry moulds of sand
- [8475.90](https://border.bot/hs-codes/847590) Heading 84.75: Machines for assembling electric or electronic lamps, tubes or valves or flashbulbs, in glass envelopes; machines for manufacturing or hot working glass or glassware
- [8476.90](https://border.bot/hs-codes/847690) Heading 84.76: Automatic goods-vending machines (for example, postage stamp, cigarette, food or beverage machines), including money- changing machines
- [8477.90](https://border.bot/hs-codes/847790) Heading 84.77: Machinery for working rubber or plastics or for the manufacture of products from these materials, not specified or included elsewhere in this Chapter
- [8479.90](https://border.bot/hs-codes/847990) Heading 84.79: Machines and mechanical appliances having individual functions, not specified or included elsewhere in this Chapter
- [8481.90](https://border.bot/hs-codes/848190) Heading 84.81: Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves
- [8485.90](https://border.bot/hs-codes/848590) Heading 84.85: Machines for additive manufacturing

- Previous subheading: [8478.10](https://border.bot/hs-codes/847810) Machinery
- Next subheading: [8479.10](https://border.bot/hs-codes/847910) Machinery for public works, building or the like

## Frequently asked questions

### What does HS code 8478.90 cover?

HS code 8478.90 covers parts.

### Which heading and chapter is HS code 8478.90 in?

HS code 8478.90 is in heading 84.78 (machinery for preparing or making up tobacco, not specified or included elsewhere in this Chapter) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).

### Where are goods of heading 84.78 classified when 8478.90 doesn’t fit?

Other goods of heading 84.78 are classified under 8478.10 (machinery).

### Which countries’ tariffs list national lines under HS code 8478.90?

National tariff lines under 8478.90 are live on border.bot for the United States (2 lines, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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://border.bot/hs-codes/847890.json