# HS code 5001.00: Silk-worm cocoons suitable for reeling

> HS code 5001.00 covers silk-worm cocoons suitable for reeling. It sits in heading 50.01 (silk-worm cocoons suitable for reeling) in chapter 50 (silk). It is the only subheading of heading 50.01, so every good of the heading is classified here. National tariff lines under 5001.00 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/500100
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 50](https://border.bot/hs-codes/50) / [50.01](https://border.bot/hs-codes/5001) / [5001.00](https://border.bot/hs-codes/500100)

## Key facts

- HS code: 5001.00
- Covers: Silk-worm cocoons suitable for reeling
- Heading: [50.01: Silk-worm cocoons suitable for reeling](https://border.bot/hs-codes/5001)
- Chapter: [50: Silk](https://border.bot/hs-codes/50)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/500100)

## What this code covers

HS code 5001.00 covers silk-worm cocoons suitable for reeling.

The legal text of the subheading is “Silk-worm cocoons suitable for reeling”, in HS2022.

## What it doesn’t cover

It is the only subheading of heading 50.01, so every good of the heading is classified here.

## How it is structured

5001.00 is a six-digit subheading. Its first two digits, 50, are the chapter; the first four, 5001, are heading 50.01; the last two, 00, identify the subheading within the heading.

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

- Chapter 50: Silk
- Heading 50.01: Silk-worm cocoons suitable for reeling
- Subheading 5001.00: Silk-worm cocoons suitable for reeling

## In other countries

National tariff lines under 5001.00 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/500100): 1 line, used by 1 other country

- Previous subheading: [4911.99](https://border.bot/hs-codes/491199) Other: Other
- Next subheading: [5002.00](https://border.bot/hs-codes/500200) Raw silk (not thrown)

## Frequently asked questions

### What does HS code 5001.00 cover?

HS code 5001.00 covers silk-worm cocoons suitable for reeling.

### Which heading and chapter is HS code 5001.00 in?

HS code 5001.00 is in heading 50.01 (silk-worm cocoons suitable for reeling) in chapter 50 (silk).

### Where are goods of heading 50.01 classified when 5001.00 doesn’t fit?

5001.00 is the only subheading of heading 50.01, so every good of the heading is classified there.

### Which countries’ tariffs list national lines under HS code 5001.00?

National tariff lines under 5001.00 are live on border.bot for the United States (1 line, 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/500100.json