Key facts
- HS subheading
- 8479.90
- Duty (MFN)
- Free
- National lines
- 12
- Tariff
- United States
- Chapter
- 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Summary
The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others. Every United States line under 8479.90 is free of general (MFN) duty.
United States lines under 8479.90
The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others.
Every United States line under 8479.90 is free of general (MFN) duty.
- 8479.90.41.00Of articles of subheading 8479.89.10 or 8479.89.70Duty: Free
- 8479.90.45.00Frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front platesDuty: Free
- 8479.90.55.00Ram assemblies incorporating a ram wrapper and/or ram coverDuty: Free
- 8479.90.65.00Container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container frontDuty: Free
- 8479.90.75.00Cabinets or casesDuty: Free
- 8479.90.85.00OtherDuty: Free
- 8479.90.95.10Of machines for preparing biological samples for the subsequent diagnosis, testing, or analysis, as described in statistical note 7 to this chapterDuty: Free
- 8479.90.95.30Of industrial robotsDuty: Free
- 8479.90.95.50Of machinery for public works, building or the likeDuty: Free
- 8479.90.95.60Of presses for the manufacture of particle board or fiber building board of wood or other ligneous materials and other machinery for treating wood or corkDuty: Free
- 8479.90.95.65Of machines or mechanical appliances for treating metalDuty: Free
- 8479.90.95.91OtherDuty: Free
In other countries
No other national tariff on border.bot has live lines under 8479.90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8479.90?
The United States tariff splits HS 8479.90 (parts) into 12 national lines: 8479.90.41.00 (of articles of subheading 8479.89.10 or 8479.89.70), 8479.90.45.00 (frame assemblies incorporating more than one of the following: baseplate; side frames; power screws; front plates), 8479.90.55.00 (ram assemblies incorporating a ram wrapper and/or ram cover), 8479.90.65.00 (container assemblies incorporating more than one of the following: container bottom; container wrapper; slide track; container front) and 8 others.
What is the duty on HS 8479.90 in the United States?
Every United States line under 8479.90 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: