# United States tariff lines under HS 5402.31

> The United States tariff splits HS 5402.31 (textured yarn: Of nylon or other polyamides, measuring per single yarn not more than 50 tex) into 2 national lines: 5402.31.30.00 (single yarn (600)) and 5402.31.60.00 (multiple (folded) or cabled yarn (600)). The general (MFN) duty differs by line: 8.8% on 5402.31.30.00 and 8% on 5402.31.60.00.

Source: https://border.bot/countries/united-states/hs-codes/540231
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 54](https://border.bot/countries/united-states/hs-codes/54) / [5402.31](https://border.bot/countries/united-states/hs-codes/540231)

## Key facts

- HS subheading: [5402.31](https://border.bot/hs-codes/540231)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 54: Man-made filaments; strip and the like of man-made textile materials

## United States lines under 5402.31

The United States tariff splits HS 5402.31 (textured yarn: Of nylon or other polyamides, measuring per single yarn not more than 50 tex) into 2 national lines: 5402.31.30.00 (single yarn (600)) and 5402.31.60.00 (multiple (folded) or cabled yarn (600)).

The general (MFN) duty differs by line: 8.8% on 5402.31.30.00 and 8% on 5402.31.60.00.

- [5402.31.30.00](https://border.bot/countries/united-states/hs-codes/5402313000) Textured yarn, Of nylon or other polyamides, measuring per single yarn not more than 500 decitex, Single yarn (600). Duty (MFN): 8.8%
- [5402.31.60.00](https://border.bot/countries/united-states/hs-codes/5402316000) Textured yarn, Of nylon or other polyamides, measuring per single yarn not more than 500 decitex, Multiple (folded) or cabled yarn (600). Duty (MFN): 8%

## In other countries

No other national tariff on border.bot has live lines under 5402.31 yet.

- [The Harmonized System text for 5402.31](https://border.bot/hs-codes/540231)

- Previous subheading: [5402.20](https://border.bot/countries/united-states/hs-codes/540220) High tenacity yarn of polyesters, whether or not textured
- Next subheading: [5402.32](https://border.bot/countries/united-states/hs-codes/540232) Of nylon or other polyamides, measuring per single yarn more than 500 decitex

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 5402.31?

The United States tariff splits HS 5402.31 (textured yarn: Of nylon or other polyamides, measuring per single yarn not more than 50 tex) into 2 national lines: 5402.31.30.00 (single yarn (600)) and 5402.31.60.00 (multiple (folded) or cabled yarn (600)).

### What is the duty on HS 5402.31 in the United States?

The general (MFN) duty differs by line: 8.8% on 5402.31.30.00 and 8% on 5402.31.60.00.

## 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/540231.json