# United States tariff lines under HS 9031.49

> The United States tariff splits HS 9031.49 (other optical instruments and appliances: Other) into 4 national lines: 9031.49.10.00 (profile projectors), 9031.49.40.00 (coordinate-measuring machines), 9031.49.70.00 (for inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices) and 9031.49.90.00 (other). Every United States line under 9031.49 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/903149
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9031.49](https://border.bot/countries/united-states/hs-codes/903149)

## Key facts

- HS subheading: [9031.49](https://border.bot/hs-codes/903149)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9031.49

The United States tariff splits HS 9031.49 (other optical instruments and appliances: Other) into 4 national lines: 9031.49.10.00 (profile projectors), 9031.49.40.00 (coordinate-measuring machines), 9031.49.70.00 (for inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices) and 9031.49.90.00 (other).

Every United States line under 9031.49 is free of general (MFN) duty.

- [9031.49.10.00](https://border.bot/countries/united-states/hs-codes/9031491000) Other optical instruments and appliances, Other, Profile projectors. Duty (MFN): free
- [9031.49.40.00](https://border.bot/countries/united-states/hs-codes/9031494000) Other optical instruments and appliances, Other, Coordinate-measuring machines. Duty (MFN): free
- [9031.49.70.00](https://border.bot/countries/united-states/hs-codes/9031497000) Other optical instruments and appliances, Other, For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices. Duty (MFN): free
- [9031.49.90.00](https://border.bot/countries/united-states/hs-codes/9031499000) Other optical instruments and appliances, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9031.49 yet.

- [The Harmonized System text for 9031.49](https://border.bot/hs-codes/903149)

- Previous subheading: [9031.41](https://border.bot/countries/united-states/hs-codes/903141) Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
- Next subheading: [9031.80](https://border.bot/countries/united-states/hs-codes/903180) Other instruments, appliances and machines

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9031.49?

The United States tariff splits HS 9031.49 (other optical instruments and appliances: Other) into 4 national lines: 9031.49.10.00 (profile projectors), 9031.49.40.00 (coordinate-measuring machines), 9031.49.70.00 (for inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices) and 9031.49.90.00 (other).

### What is the duty on HS 9031.49 in the United States?

Every United States line under 9031.49 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/903149.json