# United States tariff line 9401.99.90.40: Of seats of a kind used for aircraft

> In the United States tariff, line 9401.99.90.40 covers parts, of seats of a kind used for aircraft. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 9401.99 in heading 94.01 (chapter 94).

Source: https://border.bot/countries/united-states/hs-codes/9401999040
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 94](https://border.bot/countries/united-states/hs-codes/94) / [9401.99](https://border.bot/countries/united-states/hs-codes/940199) / [9401.99.90.40](https://border.bot/countries/united-states/hs-codes/9401999040)

## Key facts

- Tariff line: 9401.99.90.40
- Covers: Parts, of seats of a kind used for aircraft
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [9401.99](https://border.bot/hs-codes/940199)

## What this line covers

In the United States tariff, line 9401.99.90.40 covers parts, of seats of a kind used for aircraft.

Its legal text is “Of seats of a kind used for aircraft”, read under “Parts”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 9401.99 in heading 94.01 (chapter 94). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 94: Furniture; bedding, mattresses, mattress supports, cushions and similar stuffed furnishings; luminaires and lighting fittings, not elsewhere specified or included; illuminated signs, illuminated name-plates and the like; prefabricated buildings
- Heading 94.01: Seats (other than those of heading 9402), whether or not convertible into beds, and parts thereof
- Subheading 9401.99: Parts
- Within the subheading: Other
- Within the subheading: Other
- Line 9401.99.90.40: Of seats of a kind used for aircraft

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 9401.99.90.

## In other countries

No other national tariff on border.bot has live lines under 9401.99 yet.

- [The Harmonized System text for 9401.99](https://border.bot/hs-codes/940199)

## Other lines under 9401.99

- [9401.99.10.10](https://border.bot/countries/united-states/hs-codes/9401991010) Of leather, cut to shape
- [9401.99.10.20](https://border.bot/countries/united-states/hs-codes/9401991020) Of textile material, cut to shape
- [9401.99.10.85](https://border.bot/countries/united-states/hs-codes/9401991085) Other
- [9401.99.25.40](https://border.bot/countries/united-states/hs-codes/9401992540) Of rattan
- [9401.99.25.80](https://border.bot/countries/united-states/hs-codes/9401992580) Other
- [9401.99.35.10](https://border.bot/countries/united-states/hs-codes/9401993510) For children’s highchairs, booster seats except for motor vehicle and similar seats
- [9401.99.35.80](https://border.bot/countries/united-states/hs-codes/9401993580) Other
- [9401.99.90.05](https://border.bot/countries/united-states/hs-codes/9401999005) For children’s highchairs, booster seats and similar seats
- [9401.99.90.21](https://border.bot/countries/united-states/hs-codes/9401999021) Other of textile material, cut to shape
- [9401.99.90.30](https://border.bot/countries/united-states/hs-codes/9401999030) Mechanically collapsible sofa bed seat deck components, covered or uncovered as described in statistical note 2 to this chapter
- [9401.99.90.85](https://border.bot/countries/united-states/hs-codes/9401999085) Other

- Previous line: [9401.99.90.30](https://border.bot/countries/united-states/hs-codes/9401999030) Mechanically collapsible sofa bed seat deck components, covered or uncovered as described in statistical note 2 to this chapter
- Next line: [9401.99.90.85](https://border.bot/countries/united-states/hs-codes/9401999085) Other

## Frequently asked questions

### What does tariff line 9401.99.90.40 cover in the United States tariff?

In the United States tariff, line 9401.99.90.40 covers parts, of seats of a kind used for aircraft.

### What is the general (MFN) duty on 9401.99.90.40 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 9401.99.90.

## 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/9401999040.json