# United States tariff line 8484.20.00.00: Mechanical seals

> In the United States tariff, line 8484.20.00.00 covers mechanical seals. The general (MFN) duty rate is 3.9%. It falls under HS subheading 8484.20 in heading 84.84 (chapter 84).

Source: https://border.bot/countries/united-states/hs-codes/8484200000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8484.20](https://border.bot/countries/united-states/hs-codes/848420) / [8484.20.00.00](https://border.bot/countries/united-states/hs-codes/8484200000)

## Key facts

- Tariff line: 8484.20.00.00
- Covers: Mechanical seals
- Duty (MFN): 3.9%
- Preferential rates: From free (17 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [8484.20](https://border.bot/hs-codes/848420)

## What this line covers

In the United States tariff, line 8484.20.00.00 covers mechanical seals.

Its legal text is “Mechanical seals”.

## How it is structured

It falls under HS subheading 8484.20 in heading 84.84 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
- Heading 84.84: Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal; sets or assortments of gaskets and similar joints, dissimilar in composition, put up in pouches, envelopes or similar packings; mechanical seals
- Line 8484.20.00.00: Mechanical seals

## Duty

The general (MFN) duty rate is 3.9%.

Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A).

- Free: a group of origins (origin group A) (A)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 8484.20 yet.

- [The Harmonized System text for 8484.20](https://border.bot/hs-codes/848420)

- Previous line: [8484.10.00.00](https://border.bot/countries/united-states/hs-codes/8484100000) Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal
- Next line: [8484.90.00.00](https://border.bot/countries/united-states/hs-codes/8484900000) Other

## Frequently asked questions

### What does tariff line 8484.20.00.00 cover in the United States tariff?

In the United States tariff, line 8484.20.00.00 covers mechanical seals.

### What is the general (MFN) duty on 8484.20.00.00 in the United States?

The general (MFN) duty rate is 3.9%.

### Which preferential rates apply to 8484.20.00.00?

Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A).

## 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/8484200000.json