Trade reference

HS code reference lookup

Enter a code (e.g. 8518 or 8518.30.20.00) or an English product name to see official schedule descriptions and the code hierarchy; when one description matches several candidate classifications they are all listed for you or your broker to weigh against product specifics.

Data: Harmonized Tariff Schedule of the United States (HTSUS) · Revision 22 (2026) · effective 10/30/2026 · USITC HTS · US public domain
中华人民共和国进出口税则(2026) · 税委会公告2025年第12号 · effective 2026-01-01 · official notice

A reference lookup is not a customs classification ruling. Duty rates shown are U.S. import rates only — they are not your destination country’s rates.

Digits (with or without dots) search by code prefix; words search English official descriptions. The dataset is English-only — Chinese terms get an explicit notice rather than a guess.

Chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof · Section XVI

Entries: 2290

Code Level Official description Unit US duty (MFN / pref. / col.2)
8409.91.10.80 US 10-digit Other kg —
8409.91.30.00 US 10-digit Aluminum cylinder heads No., kg 2.5% / Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.91.50 US 8-digit Other 2.5% / Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.91.50.10 US 10-digit Connecting rods No., kg —
8409.91.50.81 US 10-digit Steel forgings kg —
8409.91.50.85 US 10-digit Other kg, No. —
8409.91.92 US 8-digit For marine propulsion engines 2.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.91.92.10 US 10-digit Connecting rods No., kg —
8409.91.92.90 US 10-digit Other kg —
8409.91.99 US 8-digit Other 2.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.91.99.10 US 10-digit Connecting rods No., kg —
8409.91.99.90 US 10-digit Other kg —
8409.99 HS6 subheading Other: —
8409.99.10 US 8-digit 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 Free / — / 10%
8409.99.10.40 US 10-digit For vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 kg —
8409.99.10.60 US 10-digit For marine propulsion engines kg —
8409.99.10.80 US 10-digit Other kg —
8409.99.91 US 8-digit To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 8704 2.5% / Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.99.91.10 US 10-digit Connecting rods No., kg —
8409.99.91.90 US 10-digit Other kg, No. —
8409.99.92 US 8-digit For marine propulsion engines 2.5% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8409.99.92.10 US 10-digit Connecting rods No., kg —
8409.99.92.90 US 10-digit Other kg —
8409.99.99 US 8-digit Other Free / — / 35%
8409.99.99.10 US 10-digit Connecting rods No., kg —
8409.99.99.90 US 10-digit Other kg —
8410 HS4 heading Hydraulic turbines, water wheels and regulators therefor; parts thereof: —
8410.11.00.00 US 10-digit Of a power not exceeding 1,000 kW No. 3.8% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 27.5%
8410.12.00.00 US 10-digit Of a power exceeding 1,000 kW but not exceeding 10,000 kW No. 3.8% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 27.5%
8410.13.00.00 US 10-digit Of a power exceeding 10,000 kW No. 3.8% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 27.5%
8410.90.00.00 US 10-digit Parts, including regulators kg 3.8% / Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 27.5%
8411 HS4 heading Turbojets, turbopropellers and other gas turbines, and parts thereof: —
8411.11 HS6 subheading Of a thrust not exceeding 25 kN: —
8411.11.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.11.80.00 US 10-digit Other No. Free / — / 35%
8411.12 HS6 subheading Of a thrust exceeding 25 kN: —
8411.12.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.12.80.00 US 10-digit Other No. Free / — / 35%
8411.21 HS6 subheading Of a power not exceeding 1,100 kW: —
8411.21.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.21.80.00 US 10-digit Other No. Free / — / 35%
8411.22 HS6 subheading Of a power exceeding 1,100 kW: —
8411.22.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.22.80.00 US 10-digit Other No. Free / — / 35%
8411.81 HS6 subheading Of a power not exceeding 5,000 kW: —
8411.81.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.81.80 US 8-digit Other 2.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8411.81.80.10 US 10-digit Industrial turbines of a kind described in statistical note 1 of this chapter No. —
8411.81.80.90 US 10-digit Other No. —
8411.82 HS6 subheading Of a power exceeding 5,000 kW: —
8411.82.40.00 US 10-digit Aircraft turbines No. Free / — / 35%
8411.82.80 US 8-digit Other 2.5% / Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8411.82.80.10 US 10-digit Industrial turbines of a kind described in statistical note 1 to this chapter No. —
8411.82.80.90 US 10-digit Other No. —
8411.91 HS6 subheading Of turbojets or turbopropellers: —
8411.91.10 US 8-digit 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 Free / — / 10%
8411.91.10.40 US 10-digit Parts of nonaircraft turbines No. —
8411.91.10.60 US 10-digit For use in civil aircraft No. —
8411.91.10.90 US 10-digit Other No. —
8411.91.90 US 8-digit Other Free / — / 35%
8411.91.90.40 US 10-digit Parts of nonaircraft turbines No. —
8411.91.90.81 US 10-digit Steel forgings No. —
8411.91.90.85 US 10-digit Other No. —
8411.99 HS6 subheading Other: —
8411.99.10 US 8-digit 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 Free / — / 10%
8411.99.10.10 US 10-digit Parts of nonaircraft gas turbines No. —
8411.99.10.40 US 10-digit For use in civil aircraft No. —
8411.99.10.80 US 10-digit Other No. —
8411.99.90 US 8-digit Other 2.4% / Free (A*,AU,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) / 35%
8411.99.90.30 US 10-digit Rotors or spindles and rotor or spindle assemblies No. —
8411.99.90.81 US 10-digit Steel forgings No. —
8411.99.90.85 US 10-digit Other No. —
8411.99.90.90 US 10-digit Parts of aircraft gas turbines No. —
8412 HS4 heading Other engines and motors, and parts thereof: —
8412.10.00 US 8-digit Reaction engines other than turbojets Free / — / 35%
8412.10.00.10 US 10-digit Missile and rocket engines No. —
8412.10.00.90 US 10-digit Other No. —
8412.21.00 US 8-digit Linear acting (cylinders) Free / — / 27.5% *
8412.21.00.15 US 10-digit Tie-rod type No. —
8412.21.00.30 US 10-digit Weld fused type No. —
8412.21.00.45 US 10-digit Telescoping No. —
8412.21.00.60 US 10-digit Rodless No. —
8412.21.00.75 US 10-digit Other No. —
8412.29 HS6 subheading Other: —
8412.29.40.00 US 10-digit Hydrojet engines for marine propulsion No. Free / — / 30%
8412.29.80 US 8-digit Other Free / — / 27.5% *
8412.29.80.15 US 10-digit Gear type No. —
8412.29.80.30 US 10-digit Radial piston type No. —
8412.29.80.45 US 10-digit Axial piston type No. —
8412.29.80.60 US 10-digit Other No. —
8412.29.80.75 US 10-digit Other No. —
8412.31.00 US 8-digit Linear acting (cylinders) Free / — / 27.5% *
8412.31.00.40 US 10-digit Tie-rod type No. —
8412.31.00.80 US 10-digit Other No. —
8412.39.00 US 8-digit Other Free / — / 27.5% *
8412.39.00.40 US 10-digit Unlimited rotary acting No. —
8412.39.00.80 US 10-digit Other No. —
8412.80 HS6 subheading Other engines and motors: —
8412.80.10.00 US 10-digit Spring-operated and weight-operated motors No. Free / — / 35%
8412.80.90.00 US 10-digit Other No. Free / — / 27.5%
8412.90 HS6 subheading Parts: —
8412.90.10.00 US 10-digit Of hydrojet engines for marine propulsion kg Free / — / 30%
8412.90.90 US 8-digit Other Free / — / 27.5% *
8412.90.90.05 US 10-digit Of linear acting engines and motors kg —
8412.90.90.15 US 10-digit Other kg —
8412.90.90.25 US 10-digit Of linear acting engines and motors kg —
8412.90.90.35 US 10-digit Other kg —
8412.90.90.50 US 10-digit Of reaction engines other than turbojets kg —
8412.90.90.70 US 10-digit Wind turbine blades, imported in accordance with statistical note 2 of this chapter kg —
8412.90.90.75 US 10-digit Wind turbine hubs kg —
8412.90.90.85 US 10-digit Other kg —
8413 HS4 heading Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: —
8413.11.00.00 US 10-digit Pumps for dispensing fuel or lubricants, of the type used in filling-stations or in garages No. Free / — / 35%
8413.19.00.00 US 10-digit Other No. Free / — / 35%
8413.20.00.00 US 10-digit Hand pumps, other than those of subheading 8413.11 or 8413.19 No. Free / — / 35%
8413.30 HS6 subheading Fuel, lubricating or cooling medium pumps for internal combustion piston engines: —
8413.30.10.00 US 10-digit Fuel-injection pumps for compression-ignition engines No. 2.5% / Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8413.30.90 US 8-digit Other 2.5% / Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) / 35%
8413.30.90.30 US 10-digit Fuel pumps No. —
8413.30.90.60 US 10-digit Lubricating pumps No. —
8413.30.90.90 US 10-digit Other No. —
8413.40.00.00 US 10-digit Concrete pumps No. Free / — / 35%
8413.50.00 US 8-digit Other reciprocating positive displacement pumps Free / — / 35%
8413.50.00.10 US 10-digit Oil well and oil field pumps No. —
8413.50.00.50 US 10-digit Diaphragm pumps No. —
8413.50.00.70 US 10-digit Radial piston type No. —
8413.50.00.80 US 10-digit Other No. —
8413.50.00.90 US 10-digit Other No. —
8413.60.00 US 8-digit Other rotary positive displacement pumps Free / — / 35%
8413.60.00.20 US 10-digit Vane type No. —
8413.60.00.30 US 10-digit Gear type No. —
8413.60.00.40 US 10-digit Other No. —
8413.60.00.50 US 10-digit Oil well and oil field pumps No. —
8413.60.00.70 US 10-digit Roller pumps No. —
8413.60.00.90 US 10-digit Other No. —
8413.70 HS6 subheading Other centrifugal pumps: —
8413.70.10.00 US 10-digit Stock pumps imported for use with machines for making cellulosic pulp, paper or paperboard No. Free / — / 35%
8413.70.20 US 8-digit Other Free / — / 35%
8413.70.20.04 US 10-digit Submersible pumps No. —
8413.70.20.05 US 10-digit With discharge outlet under 5.08 cm in diameter No. —
8413.70.20.15 US 10-digit With discharge outlet 5.08 cm or over in diameter No. —
8413.70.20.22 US 10-digit With discharge outlet under 7.6 cm in diameter No. —
8413.70.20.25 US 10-digit With discharge outlet 7.6 cm or over in diameter No. —
8413.70.20.30 US 10-digit Single-stage, double-suction No. —
8413.70.20.40 US 10-digit Multi-stage, single- or double-suction No. —
8413.70.20.90 US 10-digit Other No. —
8413.81.00 US 8-digit Pumps Free / — / 35%
8413.81.00.20 US 10-digit Turbine pumps No. —
8413.81.00.30 US 10-digit Household water systems, self-contained; and windmill pumps No. —
8413.81.00.40 US 10-digit Other No. —

Browse by chapter

Chapters 01–97 of the Harmonized System (US chapters 98/99 are national legislation and not included).

Section I — Live Animals; Animal Products
Section II — Vegetable Products
Section III — Animal, Vegetable Or Microbial Fats And Oils And Their Cleavage Products; Prepared Edible Fats; Animal Or Vegetable Waxes
Section IV — Prepared Foodstuffs; Beverages, Spirits And Vinegar; Tobacco And Manufactured Tobacco Substitutes; Products, Whether Or Not Containing Nicotine, Intended For Inhalation Without Combustion; Other Nicotine Containing Products Intended For The Intake Of Nicotine Into The Human Body
Section V — Mineral Products
Section VI — Products Of The Chemical Or Allied Industries
Section VII — Plastics And Articles Thereof; Rubber And Articles Thereof
Section VIII — Raw Hides And Skins, Leather, Furskins And Articles Thereof; Saddlery And Harness; Travel Goods, Handbags And Similar Containers; Articles Of Animal Gut (Other Than Silkworm Gut)
Section IX — Wood And Articles Of Wood; Wood Charcoal; Cork And Articles Of Cork; Manufactures Of Straw, Of Esparto Or Of Other Plaiting Materials; Basketware And Wickerwork
Section X — Pulp Of Wood Or Of Other Fibrous Cellulosic Material; Recovered (Waste And Scrap) Paper Or Paperboard; Paper And Paperboard And Articles Thereof
Section XI — Textiles And Textile Articles
Section XII — Footwear, Headgear, Umbrellas, Sun Umbrellas, Walking-Sticks, Seat-Sticks, Whips, Riding-Crops And Parts Thereof; Prepared Feathers And Articles Made Therewith; Artificial Flowers; Articles Of Human Hair
Section XIII — Articles Of Stone, Plaster, Cement, Asbestos, Mica Or Similar Materials; Ceramic Products; Glass And Glassware
Section XIV — Natural Or Cultured Pearls, Precious Or Semiprecious Stones, Precious Metals, Metals Clad With Precious Metal, And Articles Thereof; Imitation Jewelry; Coin
Section XV — Base Metals And Articles Of Base Metal
Section XVI — Machinery And Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders And Reproducers, Television Image And Sound Recorders And Reproducers, And Parts And Accessories Of Such Articles
Section XVII — Vehicles, Aircraft, Vessels And Associated Transport Equipment
Section XVIII — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical Or Surgical Instruments And Apparatus; Clocks And Watches; Musical Instruments; Parts And Accessories Thereof
Section XIX — Arms And Ammunition; Parts And Accessories Thereof
Section XX — Miscellaneous Manufactured Articles
Section XXI — Works Of Art, Collectors' Pieces And Antiques

What this data covers — and what it does not

  • International layer: HS chapters 01–97 with 4-digit headings and 6-digit subheadings (HS 2022 edition) — the part shared by every member country’s tariff schedule.
  • US layer: 8-digit rate lines and 10-digit statistical suffixes of the US HTS, clearly badged; the duty columns are US import rates for reference only.
  • China layer: PRC 2026 tariff schedule 8-digit lines with official Chinese names and MFN/ordinary rates, matched to international rows by shared HS6 prefix; provisional (△), agreement, quota, VAT/consumption and 10-digit customs numbers are not in scope.
  • Not included: the EU’s 8-digit CN codes, other countries’ national extensions, WCO Explanatory Notes, and US chapters 98/99 (national legislation).
  • Descriptions are English-only. Classification of a real product needs the General Rules of Interpretation plus material, composition, use and processing details — treat every result as a candidate, not a ruling.

Official verification

For declarations, pre-classification or current rates, use an official channel:

Frequently asked

Can I declare with the code I find here?

No — this is a reference lookup. Candidate codes, official descriptions and hierarchy are informational, not a customs classification ruling. Formal classification applies the General Rules of Interpretation to material, composition, use and processing; ask your customs authority for a binding ruling when needed.

Why does one product name return several codes?

That's normal. The same description appears at different levels (heading/subheading/statistical suffix) and under different chapters — cotton, for example, lives in the yarn, fabric and apparel chapters alike. The tool lists every candidate instead of guessing one answer for you.

Whose 8- and 10-digit codes are these?

The international Harmonized System only standardizes the first six digits (2-digit chapter + 4-digit heading + 6-digit subheading). The 8/10-digit codes here are US HTS national extensions and are labelled as such; China uses an 8-digit tariff schedule and the EU an 8-digit CN code — neither is in this dataset.

Are the duty rates shown what I'd pay importing to my country?

No. The rate columns are US import duty (General MFN / Special preferential / Column 2) — they apply to imports into the United States and are shown for reference only. Check the official tariff service of your destination country for actual rates.

How does Chinese search work?

Chinese terms are matched verbatim against the official Chinese product names in the PRC 2026 tariff schedule — no machine translation, no guessed codes. Colloquial names may miss; try a more formal name or English.

How fresh is the data?

The snapshot is the USITC's 2026 HTS Revision 22 (effective 2026-10-30); the page always shows the release and its effective date and warns when the snapshot grows stale. Use the official live service for filings.

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