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HS 9031 — Measuring or checking instruments, appliances and machines

HS heading 9031 (Measuring or checking instruments, appliances and machines) spans 6 products in U.S. import records, with 54,566 bill-of-lading shipments. The most imported are Measuring or checking instruments, appliances and machines, test benches, Other instruments, appliances and machines, and Parts and accessories.

Part of Chapter 90: Optical, photographic, measuring, medical or surgical instruments

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/9031

Products under this heading

HSProductShipments
903120Measuring or checking instruments, appliances and machines, test benches20,469
903180Other instruments, appliances and machines12,504
903190Parts and accessories9,830
903110Machines for balancing mechanical parts6,452
903149Other optical instruments and appliances, other4,018
903141For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)1,293

Frequently asked questions about HS 9031

What is HS code 9031?

HS 9031 covers measuring or checking instruments, appliances and machines. It is a 4-digit heading in chapter 90 (Optical, photographic, measuring, medical or surgical instruments) of the Harmonized System, with 6 six-digit subheadings that appear in U.S. import records.

How many U.S. import shipments fall under HS 9031?

ImportDoor has 54,566 U.S. Customs bill-of-lading shipment records under HS heading 9031, updated monthly.

What is the most imported product under HS 9031?

Measuring or checking instruments, appliances and machines, test benches (HS 903120) leads with 20,469 shipments, followed by Other instruments, appliances and machines (HS 903180) and Parts and accessories (HS 903190).

HS Code 9031: Measuring or checking instruments | US Import Data