Key facts
- HS subheading
- 8547.10
- Duty (MFN)
- 3%
- National lines
- 2
- Tariff
- United States
- Chapter
- 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Summary
The United States tariff splits HS 8547.10 (insulating fittings of ceramics) into 2 national lines: 8547.10.40.00 (ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines) and 8547.10.80.00 (other). The general (MFN) duty is 3% on all 2 lines.
United States lines under 8547.10
The United States tariff splits HS 8547.10 (insulating fittings of ceramics) into 2 national lines: 8547.10.40.00 (ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines) and 8547.10.80.00 (other).
The general (MFN) duty is 3% on all 2 lines.
- 8547.10.40.00Ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion enginesDuty: 3%
- 8547.10.80.00OtherDuty: 3%
In other countries
No other national tariff on border.bot has live lines under 8547.10 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8547.10?
The United States tariff splits HS 8547.10 (insulating fittings of ceramics) into 2 national lines: 8547.10.40.00 (ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines) and 8547.10.80.00 (other).
What is the duty on HS 8547.10 in the United States?
The general (MFN) duty is 3% on all 2 lines.
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: