# United States tariff lines under HS 5402.51

> The United States tariff splits HS 5402.51 (other yarn, single, with a twist exceeding 50 turns per metre: Of nylon or other polyamides) into 1 national line: 5402.51.00.00 (of nylon or other polyamides (606)). The general (MFN) duty is 8.8% on this line.

Source: https://border.bot/countries/united-states/hs-codes/540251
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) / [5402.51](https://border.bot/countries/united-states/hs-codes/540251)

## Key facts

- HS subheading: [5402.51](https://border.bot/hs-codes/540251)
- Duty (MFN): 8.8%
- National lines: 1
- 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 5402.51

The United States tariff splits HS 5402.51 (other yarn, single, with a twist exceeding 50 turns per metre: Of nylon or other polyamides) into 1 national line: 5402.51.00.00 (of nylon or other polyamides (606)).

The general (MFN) duty is 8.8% on this line.

- [5402.51.00.00](https://border.bot/countries/united-states/hs-codes/5402510000) Other yarn, single, with a twist exceeding 50 turns/m, Of nylon or other polyamides (606). Duty (MFN): 8.8%

## In other countries

No other national tariff on border.bot has live lines under 5402.51 yet.

- [The Harmonized System text for 5402.51](https://border.bot/hs-codes/540251)

- Previous subheading: [5402.49](https://border.bot/countries/united-states/hs-codes/540249) Other
- Next subheading: [5402.52](https://border.bot/countries/united-states/hs-codes/540252) Of polyesters

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 5402.51?

The United States tariff splits HS 5402.51 (other yarn, single, with a twist exceeding 50 turns per metre: Of nylon or other polyamides) into 1 national line: 5402.51.00.00 (of nylon or other polyamides (606)).

### What is the duty on HS 5402.51 in the United States?

The general (MFN) duty is 8.8% on this line.

## 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/540251.json