# United States tariff lines under HS 8411.91

> The United States tariff splits HS 8411.91 (parts: Of turbo-jets or turbo-propellers) into 6 national lines: 8411.91.10.40 (parts of nonaircraft turbines), 8411.91.10.60 (for use in civil aircraft), 8411.91.10.90 (other), 8411.91.90.40 (parts of nonaircraft turbines) and 2 others. Every United States line under 8411.91 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/841191
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) / [8411.91](https://border.bot/countries/united-states/hs-codes/841191)

## Key facts

- HS subheading: [8411.91](https://border.bot/hs-codes/841191)
- Duty (MFN): Free
- National lines: 6
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8411.91

The United States tariff splits HS 8411.91 (parts: Of turbo-jets or turbo-propellers) into 6 national lines: 8411.91.10.40 (parts of nonaircraft turbines), 8411.91.10.60 (for use in civil aircraft), 8411.91.10.90 (other), 8411.91.90.40 (parts of nonaircraft turbines) and 2 others.

Every United States line under 8411.91 is free of general (MFN) duty.

- [8411.91.10.40](https://border.bot/countries/united-states/hs-codes/8411911040) Parts, Of turbojets or turbopropellers, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, Parts of nonaircraft turbines. Duty (MFN): free
- [8411.91.10.60](https://border.bot/countries/united-states/hs-codes/8411911060) Parts, Of turbojets or turbopropellers, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, Parts of aircraft turbines, For use in civil aircraft. Duty (MFN): free
- [8411.91.10.90](https://border.bot/countries/united-states/hs-codes/8411911090) Parts, Of turbojets or turbopropellers, Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery, Parts of aircraft turbines, Other. Duty (MFN): free
- [8411.91.90.40](https://border.bot/countries/united-states/hs-codes/8411919040) Parts, Of turbojets or turbopropellers, Other, Parts of nonaircraft turbines. Duty (MFN): free
- [8411.91.90.81](https://border.bot/countries/united-states/hs-codes/8411919081) Parts, Of turbojets or turbopropellers, Other, Parts of aircraft turbines, Steel forgings. Duty (MFN): free
- [8411.91.90.85](https://border.bot/countries/united-states/hs-codes/8411919085) Parts, Of turbojets or turbopropellers, Other, Parts of aircraft turbines, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8411.91 yet.

- [The Harmonized System text for 8411.91](https://border.bot/hs-codes/841191)

- Previous subheading: [8411.82](https://border.bot/countries/united-states/hs-codes/841182) Of a power exceeding 5,000 kW
- Next subheading: [8411.99](https://border.bot/countries/united-states/hs-codes/841199) Other

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8411.91?

The United States tariff splits HS 8411.91 (parts: Of turbo-jets or turbo-propellers) into 6 national lines: 8411.91.10.40 (parts of nonaircraft turbines), 8411.91.10.60 (for use in civil aircraft), 8411.91.10.90 (other), 8411.91.90.40 (parts of nonaircraft turbines) and 2 others.

### What is the duty on HS 8411.91 in the United States?

Every United States line under 8411.91 is free of general (MFN) duty.

## 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/841191.json