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HSChapter 84
U.S. imports of weighing machine weights & parts of weighing machinery (HS 842390) totaled $8.8M in June 2026, traded with 41 countries.
Importers of Weighing Machine Weights & Parts of Weighing Machinery paid $1.3M in duties in June 2026 — an effective duty rate of 15% on $8.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Japan leads US imports under this heading, followed by China and Germany, reflecting the precision-engineering demands of industrial and laboratory weighing equipment. The US schedule distinguishes digital weight indicators (8423900040) from other parts (8423900080), electronic gauging weights not for motor vehicles (8423901000), and a catch-all for weights and parts not elsewhere specified (8423909000). Correct classification between a complete digital indicator and a subassembly part is a recurring customs challenge, since the two lines carry different duty treatment. Importers sourcing load cells, calibration weights, or indicator housings should confirm whether the article functions independently or solely as a component.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A digital weight indicator that functions as a standalone display and processing unit for a scale system is classified under 8423900040. If the article is a subassembly or component that cannot operate independently as an indicator, it typically falls under the general parts line 8423900080. Consult a licensed customs broker when the article straddles both descriptions.
Yes — physical calibration and test weights of all kinds fall within heading 8423, and the residual line 8423909000 covers weights and parts not elsewhere specified. However, precision weights used in laboratory balances may also attract scrutiny under metrology regulations depending on their end use.
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Monthly import values over time
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 |
|---|---|---|---|---|---|
| 8423901000 | PRTS OF WEIGH MACH ELECT GAUG WEIGH NT FOR MOT VEH | $5.1M | 13.14% | 96.33% | $666K |
| 8423909000 | WEIGHTS, PARTS OF WEIGHING MACHINERY, NESOI | $3.7M | 16.08% | 96.58% | $598K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8423900080 | PARTS OF WEIGHING MACH EXC DIGITAL WEIGHT INDICAT | $3.2M |
| 8423900040 | DIGITAL WEIGHT INDICATORS | $1.5M |
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Wisconsin | $1.1M | $1.2M | +$45K |
| California | $1.2M | $364K | -$847K |
| Ohio | $821K | $571K | -$250K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHICAGO, IL | $1.3M | $278K | -$1.0M |
| SEATTLE-TACOMA INTERNATIONAL AIRPORT, WA | $1.0M | -- | -$1.0M |
| LAREDO, TX | -- | $774K | +$774K |