Analysis
Subheading 8412.90 covers parts, within heading 8412. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 2 US tariff lines below it are national.
Every one of its 2 tariff lines is duty-free at the general rate, so classification within the subheading affects statistics and Chapter 99 measures rather than the base duty.
The US splits it as follows: 8412.90.10 for of hydrojet engines for marine propulsion (duty-free) and 8412.90.90 for parts: other (duty-free).
By Census's concordance, most of its statistical lines are made by Other Engine Equipment Manufacturing (333618), Fluid Power Cylinder and Actuator Manufacturing (333995) and Fluid Power Pump and Motor Manufacturing (333996). Those are the NAICS industries a US producer of these goods would report under.
Goods only reach 8412.90 once they fall within heading 8412 (other engines and motors, and parts thereof). Under General Rule 6, subheadings are then compared only with others at the same level, so a product is matched against its siblings, not against lines elsewhere in the chapter.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 8412.90.10 | Of hydrojet engines for marine propulsion | Free |
| 8412.90.90 | Parts: other | Free |