HS code · 6-digit subheading
HS Code 8423.90 – Weighing machines; weights of all kinds, parts of weighing machinery
HS code 8423.90 is the 6-digit subheading for weighing machines, weights of all kinds, parts of weighing machinery. It is used for load cells, weighing platforms, digital indicators, calibration weights and scale bases.
What HS 8423.90 covers
This HS code specifically covers weights of all kinds and parts of weighing machinery, excluding complete weighing machines. It's a critical category for the manufacturing, maintenance, and calibration sectors across various industries. Importers are typically scale manufacturers, repair and calibration service providers, or large industrial users who maintain their own weighing equipment. Exporters are specialized component producers, often supplying global assembly lines or aftermarket services. The trade in these parts ensures the accuracy and longevity of weighing systems used in logistics, retail, healthcare, scientific research, and industrial production. Understanding this code helps track the supply chain for precision measurement tools and the underlying infrastructure supporting quality control and commerce.
- Covers
- Load cells
- Weighing platforms
- Digital indicators
- Calibration weights
- Scale bases
- Display units
- Printer modules for scales
- Weighing machine software components
- Examples
- Mettler Toledo Load Cells
- Sartorius Calibration Weights
- Ohaus Weighing Platforms
- Rice Lake Weighing Systems Indicators
- A&D Company Scale Parts
Codes often confused with 8423.90
Common mistake. Can be confused with complete weighing machines under 842310-842389, or general electronic parts under Chapter 85 if not clearly identifiable as weighing machine specific.
Top exporters and importers of HS code 842390, 2025
In 2025, the largest exporter of HS code 842390 in UN Comtrade data was China, with 27% of world exports; the largest importer in UN Comtrade data was the United States, with 11% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 China $279M 27% of world exports
- 2 Germany $125M 12% of world exports
- 3 United States $69M 6.7% of world exports
World total: $1.0B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $121M 11% of world imports
- 2 Germany $65M 6.1% of world imports
- 3 Indonesia $62M 5.9% of world imports
World total: $1.1B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for 8423.90 3
Brazil splits HS 8423.90 into 3 NCM codes, Mercosur's 8-digit tariff lines.
- 8423.90.10 Weights for all kinds of balancesPesos
- 8423.90.2 PartsPartes Group
- 8423.90.21 Parts of personal and household scalesDe aparelhos ou instrumentos da subposição 8423.10
- 8423.90.29 Other parts of weighing machineryOutras
All Brazil NCM codes in heading 84.23 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 8423.90
What is HS code 842390?
HS code 842390 is a 6-digit subheading in the Harmonized System that covers: Weighing machines; weights of all kinds, parts of weighing machinery. This HS code specifically covers weights of all kinds and parts of weighing machinery, excluding complete weighing machines. It's a critical category for the manufacturing, maintenance, and calibration sectors across various industries. Importers are typically scale manufacturers, repair and calibration service providers, or large industrial users who maintain their own weighing equipment. Exporters are specialized component producers, often supplying global assembly lines or aftermarket services. The trade in these parts ensures the accuracy and longevity of weighing systems used in logistics, retail, healthcare, scientific research, and industrial production. Understanding this code helps track the supply chain for precision measurement tools and the underlying infrastructure supporting quality control and commerce.
What products fall under HS code 842390?
Load cells, weighing platforms, digital indicators, calibration weights, scale bases, display units, printer modules for scales, weighing machine software components
What are common misclassifications for HS code 842390?
Can be confused with complete weighing machines under 842310-842389, or general electronic parts under Chapter 85 if not clearly identifiable as weighing machine specific.
Which countries are the top exporters of goods under HS code 842390?
In 2025, the top exporters of HS code 842390 in UN Comtrade data were China ($279M, 27% of world exports), Germany ($125M) and the United States ($69M). World exports came to about $1.0B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of goods under HS code 842390?
In 2025, the top importers of HS code 842390 in UN Comtrade data were the United States ($121M, 11% of world imports), Germany ($65M) and Indonesia ($62M). World imports came to about $1.1B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
How is HS code 842390 structured?
HS code 842390 is a 6-digit subheading under the Harmonized System. The first 2 digits (84) identify the chapter, digits 3-4 (23) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 842390?
Brazil splits HS code 842390 into 3 NCM codes: 8423.90.10 (Weights for all kinds of balances), 8423.90.21 (Parts of personal and household scales), 8423.90.29 (Other parts of weighing machinery). The first 6 digits of each match the HS code.