Analysis
HTS 8448.39.90 covers other: other under heading 8448 (auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for…).
Within this group the rate runs from duty-free to 3.7%. Compared with 8448.39.50 (parts of winding or reeling machines), which pays 3.7%, a misclassification either way moves the duty by 3.7 percentage points.
Goods from countries without normal trade relations pay the column 2 rate of 40% instead of nothing, so origin decides between free entry and a 40% duty.
The normal trade relations rate here is zero, shared by about 61% of the 823 tariff lines in chapter 84, a useful check when a neighbouring dutiable line is a candidate. Chapter 99 measures such as Section 301 or 232 can still apply on top, depending on where the goods come from.
The other lines in the same group are 8448.39.10 (parts of spinning, doubling or twisting machines, duty-free) and 8448.39.50 (parts of winding or reeling machines, 3.7%).
Census statistics map these goods to NAICS 33324 (Industrial Machinery Manufacturing), an industry of 2,836 US establishments employing 111,497 people. That concordance is how imports of this line are compared with US output.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 8448.39.10 | Parts of spinning, doubling or twisting machines | Free |
| 8448.39.50 | Parts of winding or reeling machines | 3.7% |