# HS code 5109.90: Yarn of wool or of fine animal hair, put up for retail sale

> HS code 5109.90 covers yarn of wool or of fine animal hair, put up for retail sale, other than those classified in 5109.10. It sits in heading 51.09 (yarn of wool or of fine animal hair, put up for retail sale) in chapter 51 (wool, fine or coarse animal hair; horsehair yarn and woven fabric). Other goods of heading 51.09 are classified under 5109.10 (containing 85 % or more by weight of wool or of fine animal hair). National tariff lines under 5109.90 are live on border.bot for the United States (4 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/510990
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 51](https://border.bot/hs-codes/51) / [51.09](https://border.bot/hs-codes/5109) / [5109.90](https://border.bot/hs-codes/510990)

## Key facts

- HS code: 5109.90
- Covers: Yarn of wool or of fine animal hair, put up for retail sale
- Heading: [51.09: Yarn of wool or of fine animal hair, put up for retail sale](https://border.bot/hs-codes/5109)
- Chapter: [51: Wool, fine or coarse animal hair; horsehair yarn and woven fabric](https://border.bot/hs-codes/51)
- Edition: HS2022
- Duty in the United States: [See its 4 lines](https://border.bot/countries/united-states/hs-codes/510990)

## What this code covers

HS code 5109.90 covers yarn of wool or of fine animal hair, put up for retail sale, other than those classified in 5109.10.

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

## What it doesn’t cover

Other goods of heading 51.09 are classified under 5109.10 (containing 85 % or more by weight of wool or of fine animal hair).

- [5109.10](https://border.bot/hs-codes/510910) Containing 85 % or more by weight of wool or of fine animal hair

## How it is structured

5109.90 is a six-digit subheading. Its first two digits, 51, are the chapter; the first four, 5109, are heading 51.09; the last two, 90, identify the subheading within the heading.

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

- Chapter 51: Wool, fine or coarse animal hair; horsehair yarn and woven fabric
- Heading 51.09: Yarn of wool or of fine animal hair, put up for retail sale
- Subheading 5109.90: Other

## In other countries

National tariff lines under 5109.90 are live on border.bot for the United States (4 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/510990): 4 lines, used by 1 other country

- Previous subheading: [5109.10](https://border.bot/hs-codes/510910) Containing 85 % or more by weight of wool or of fine animal hair
- Next subheading: [5110.00](https://border.bot/hs-codes/511000) Yarn of coarse animal hair or of horsehair (including gimped horsehair yarn), whether or not put up for retail sale

## Frequently asked questions

### What does HS code 5109.90 cover?

HS code 5109.90 covers yarn of wool or of fine animal hair, put up for retail sale, other than those classified in 5109.10.

### Which heading and chapter is HS code 5109.90 in?

HS code 5109.90 is in heading 51.09 (yarn of wool or of fine animal hair, put up for retail sale) in chapter 51 (wool, fine or coarse animal hair; horsehair yarn and woven fabric).

### Where are goods of heading 51.09 classified when 5109.90 doesn’t fit?

Other goods of heading 51.09 are classified under 5109.10 (containing 85 % or more by weight of wool or of fine animal hair).

### Which countries’ tariffs list national lines under HS code 5109.90?

National tariff lines under 5109.90 are live on border.bot for the United States (4 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/510990.json