Tariff reference › Chapter 90 › 9027.10.40.00
HTS 9027.10.40.00 — Optical instruments and apparatus
The current US import duty for Optical instruments and apparatus (HTS 9027.10.40.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof: › Gas or smoke analysis apparatus: › Other: › Optical instruments and apparatus
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 50% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9027.10.40.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).