Key facts
- HS subheading
- 8419.90
- National lines
- 8
- Tariff
- United States
- Chapter
- 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Summary
The United States tariff splits HS 8419.90 (parts) into 8 national lines: 8419.90.10.00 (of instantaneous or storage water heaters), 8419.90.20.00 (of machinery and plant for making paper pulp, paper or paperboard), 8419.90.30.00 (of heat exchange units), 8419.90.50.40 (of medical, surgical or laboratory sterilizers) and 4 others. The general (MFN) duty differs by line: free on 8419.90.10.00, free on 8419.90.20.00, free on 8419.90.30.00, free on 8419.90.50.40, free on 8419.90.50.80, free on 8419.90.85.00, 4% on 8419.90.95.20 and 4% on 8419.90.95.80.
United States lines under 8419.90
The United States tariff splits HS 8419.90 (parts) into 8 national lines: 8419.90.10.00 (of instantaneous or storage water heaters), 8419.90.20.00 (of machinery and plant for making paper pulp, paper or paperboard), 8419.90.30.00 (of heat exchange units), 8419.90.50.40 (of medical, surgical or laboratory sterilizers) and 4 others.
The general (MFN) duty differs by line: free on 8419.90.10.00, free on 8419.90.20.00, free on 8419.90.30.00, free on 8419.90.50.40, free on 8419.90.50.80, free on 8419.90.85.00, 4% on 8419.90.95.20 and 4% on 8419.90.95.80.
- 8419.90.10.00Of instantaneous or storage water heatersDuty: Free
- 8419.90.20.00Of machinery and plant for making paper pulp, paper or paperboardDuty: Free
- 8419.90.30.00Of heat exchange unitsDuty: Free
- 8419.90.50.40Of medical, surgical or laboratory sterilizersDuty: Free
- 8419.90.50.80OtherDuty: Free
- 8419.90.85.00Of electromechanical tools for working in the hand with self-contained electric motorDuty: Free
- 8419.90.95.20Of an apparatus of a type used in restaurants, hotels or similar locationsDuty: 4%
- 8419.90.95.80OtherDuty: 4%
In other countries
No other national tariff on border.bot has live lines under 8419.90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8419.90?
The United States tariff splits HS 8419.90 (parts) into 8 national lines: 8419.90.10.00 (of instantaneous or storage water heaters), 8419.90.20.00 (of machinery and plant for making paper pulp, paper or paperboard), 8419.90.30.00 (of heat exchange units), 8419.90.50.40 (of medical, surgical or laboratory sterilizers) and 4 others.
What is the duty on HS 8419.90 in the United States?
The general (MFN) duty differs by line: free on 8419.90.10.00, free on 8419.90.20.00, free on 8419.90.30.00, free on 8419.90.50.40, free on 8419.90.50.80, free on 8419.90.85.00, 4% on 8419.90.95.20 and 4% on 8419.90.95.80.
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: