HS code · 6-digit subheading
HS Code 9033.00 – Machines and appliances, instruments or apparatus of chapter 90; parts and accessories n.e.c. in chapter 90
HS code 9033.00 is the 6-digit subheading for machines and appliances, instruments or apparatus of chapter 90, parts and accessories n.e.c. in chapter 90. It is used for microscope stage parts, ophthalmic instrument lenses (if not specific to 9001), parts for surveying instrument tripods, components for laboratory centrifuges and specialized optical filters.
What HS 9033.00 covers
This HS code serves as a residual category for parts and accessories of machines, appliances, instruments, or apparatus of Chapter 90 that are not specified or included elsewhere in the chapter. It's an incredibly broad category, encompassing components for a vast array of precision, optical, medical, and scientific equipment. Trade in these items is highly fragmented, driven by the diverse needs of industries ranging from healthcare and research to manufacturing and surveying. Importers and exporters are varied, often dealing in highly specialized or custom-made components. Key considerations include the unique specifications of the parent apparatus, the precision required in manufacturing, and the often low-volume, high-value nature of these specialized parts, which are critical for the functionality of sophisticated equipment.
- Covers
- Microscope stage parts
- Ophthalmic instrument lenses (if not specific to 9001)
- Parts for surveying instrument tripods
- Components for laboratory centrifuges
- Specialized optical filters
- Precision gears for scientific instruments
- Endoscope cleaning brushes
- Examples
- Zeiss Axio Observer Stage Inserts
- Leica Geosystems Tripod Adapters
- Olympus Endoscope Biopsy Forceps (if not 901890)
- Agilent Spectrometer Sample Cells (if not 902790)
Codes often confused with 9033.00
Common mistake. This code is highly prone to misclassification, often confused with more specific parts categories (e.g., 901190 for microscope parts, 901890 for medical instrument parts, 902790 for analytical instrument parts) if a more precise heading exists.
Top exporters and importers of HS code 903300, 2025
In 2025, the largest exporter of HS code 903300 in UN Comtrade data was the United States, with 16% of world exports; the largest importer in UN Comtrade data was Hong Kong, with 8.6% 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 United States $534M 16% of world exports
- 2 Germany $383M 11% of world exports
- 3 China $246M 7.3% of world exports
World total: $3.4B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Hong Kong $264M 8.6% of world imports
- 2 Germany $251M 8.2% of world imports
- 3 United States $193M 6.3% of world imports
World total: $3.1B 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 code for 9033.00
Brazil does not split HS 9033.00: its NCM code is 9033.00.00.
All Brazil NCM codes in heading 90.33 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 9033.00
What is HS code 903300?
HS code 903300 is a 6-digit subheading in the Harmonized System that covers: Machines and appliances, instruments or apparatus of chapter 90; parts and accessories n.e.c. in chapter 90. This HS code serves as a residual category for parts and accessories of machines, appliances, instruments, or apparatus of Chapter 90 that are not specified or included elsewhere in the chapter. It's an incredibly broad category, encompassing components for a vast array of precision, optical, medical, and scientific equipment. Trade in these items is highly fragmented, driven by the diverse needs of industries ranging from healthcare and research to manufacturing and surveying. Importers and exporters are varied, often dealing in highly specialized or custom-made components. Key considerations include the unique specifications of the parent apparatus, the precision required in manufacturing, and the often low-volume, high-value nature of these specialized parts, which are critical for the functionality of sophisticated equipment.
What products fall under HS code 903300?
Microscope stage parts, ophthalmic instrument lenses (if not specific to 9001), parts for surveying instrument tripods, components for laboratory centrifuges, specialized optical filters, precision gears for scientific instruments, endoscope cleaning brushes
What are common misclassifications for HS code 903300?
This code is highly prone to misclassification, often confused with more specific parts categories (e.g., 901190 for microscope parts, 901890 for medical instrument parts, 902790 for analytical instrument parts) if a more precise heading exists.
Which countries are the top exporters of goods under HS code 903300?
In 2025, the top exporters of HS code 903300 in UN Comtrade data were the United States ($534M, 16% of world exports), Germany ($383M) and China ($246M). World exports came to about $3.4B, 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 903300?
In 2025, the top importers of HS code 903300 in UN Comtrade data were Hong Kong ($264M, 8.6% of world imports), Germany ($251M) and the United States ($193M). World imports came to about $3.1B, 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 903300 structured?
HS code 903300 is a 6-digit subheading under the Harmonized System. The first 2 digits (90) identify the chapter, digits 3-4 (33) identify the heading, and digits 5-6 (00) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 903300?
In Brazil, HS code 903300 is NCM 9033.00.00. The last two digits are 00 because Brazil does not split this HS code further.