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U.S. imports of wooden swivel seats with variable height adjustment (HS 940131) totaled $6.7M in July 2026, traded with 36 countries.
Importers of Wooden Swivel Seats with Variable Height Adjustment paid $534K in duties in July 2026 — an effective duty rate of 17% on $3.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Wooden Swivel Seats with Variable Height Adjustment imports of $6.7M in July 2026 ran 10% above the year-to-date monthly average of $6.0M.
Last updated: July 2026 dataSwivel seats with variable height adjustment and a wooden frame — a category that includes height-adjustable wooden office and drafting chairs — are classified under a single tariff line (9401310000) distinguished from metal-frame or plastic-frame equivalents by their primary structural material. Canada and Vietnam are the leading US suppliers, with China also a notable source. Wooden-frame swivel seating from China may be subject to Section 301 tariffs, making origin documentation and substantial transformation analysis particularly important for importers sourcing components from multiple countries.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.5K shipments/mo
CBP classifies a swivel seat as wooden when wood constitutes the essential character of the frame structure. A seat with a steel or aluminum base mechanism but wooden back and seat panels may not qualify — the frame that provides structural support is the determining element. Seats where the primary load-bearing structure is metal with decorative wood accents are typically classified under the NESOI swivel seat heading (9401.39).
The variable height adjustment feature is a mandatory classification criterion for 9401.31. A wooden swivel chair without a height-adjustment mechanism does not qualify under this subheading and would instead be classified elsewhere in heading 9401 based on its construction and use — likely under 9401.69 (other wooden seats) if it lacks both swivel and height-adjustment functions. Importers should verify that the adjustment mechanism is functional and present in the imported article.
HSChapter 94
Subheading 12 of 16 in heading 9401
Subheading 940131 · $6.7M of $1.9B
Supplier Network
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ImportsExports
Imports
$6.7MYoY · Pro
Exports
$2.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9401310000 | Swivel Seats W/ Height Adjustment W/ Wooden Frame | $7.4M | 8.65% | 58.80% | $639K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9401310000 | Swivel Seats W/ Height Adjustment W/ Wooden Frame | $1.1M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Canada and Vietnam together supply 77% of it.
customs district
destination
entry
rate provision · imports
52.6% enters free of duty; the effective duty rate is 8.02%.