HTS Codes or HS Codes for Chapter 90-Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

HTS Code 9001

Optical fibres and optical fibre bundles; optical fibre cables (excluding made up of individually sheathed fibres of heading 8544); sheets and plates of polarising material; lenses, incl. contact lenses, prisms, mirrors and other optical elements of any material, unmounted (excluding such elements of glass not optically worked)

HTS Code 9002

Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus (excluding such elements of glass not optically worked)

HTS Code 9003

Frames and mountings for spectacles, goggles or the like, and parts thereof, n.e.s.

HTS Code 9004

Spectacles, goggles and the like, corrective, protective or other (excluding spectacles for testing eyesight, contact lenses, spectacle lenses and frames and mountings for spectacles)

HTS Code 9005

Binoculars, monoculars, astronomical and other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor (excluding instruments for radio-astronomy and other instruments or apparatus specified elsewhere)

HTS Code 9006

Photographic cameras, photographic flashlight apparatus and flashbulbs (excluding discharge lamps of heading 8539)

HTS Code 9007

Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus (excluding video equipment)

HTS Code 9008

Image projectors, and photographic enlargers and reducers (excluding cinematographic)

HTS Code 9010

Apparatus and equipment for photographic or cinematographic laboratories, not elsewhere specified in chapter 90; negatoscopes; projection screens

HTS Code 9011

Optical microscopes, incl. those for photomicrography, cinephotomicrography or microprojection (excluding binocular microscopes for ophthalmology and instruments, appliances and machines of heading 9031)

HTS Code 9012

Electron microscopes, proton microscopes and diffraction apparatus

HTS Code 9013

Liquid crystal devices not constituting articles provided for more specifically in other heading; lasers (excluding laser diodes); other optical appliances and instruments not elsewhere specified in chapter 90

HTS Code 9014

Direction finding compasses; other navigational instruments and appliances (excluding radio navigational equipment)

HTS Code 9015

Surveying, incl. photogrammetrical surveying, hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances (excluding compasses); rangefinders

HTS Code 9016

Balances of a sensitivity of 50 mg or better, with or without weights

HTS Code 9017

Drawing, marking-out or mathematical calculating instruments, e.g. drafting machines, pantographs, protractors, drawing sets, slide rules, disc calculators; instruments for measuring length, for use in the hand, e.g. measuring rods and tapes, micrometres, callipers and other gauges, not elsewhere specified in chapter 90

HTS Code 9018

Instruments and appliances used in medical, surgical, dental or veterinary sciences, incl. scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments, n.e.s.

HTS Code 9019

Mechano-therapy appliances; massage apparatus; psychological aptitude-testing apparatus; ozone therapy, oxygen therapy, aerosol therapy, artificial respiration or other therapeutic respiration apparatus

HTS Code 9020

Breathing appliances and gas masks (excluding protective masks having neither mechanical parts nor replaceable filters, and artificial respiration or other therapeutic respiration apparatus)

HTS Code 9021

Orthopaedic appliances, incl. crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability

HTS Code 9022

Apparatus based on the use of X-rays or of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, incl. radiography or radiotherapy apparatus, X-ray tubes and other X-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like

HTS Code 9023

Instruments, apparatus and models designed for demonstrational purposes, e.g. in education or exhibitions, unsuitable for other uses (excluding ground flying trainers of heading 8805, collectors' pieces of heading 9705 and antiques of an age 100 years of heading 9706)

HTS Code 9024

Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials, e.g. metals, wood, textiles, paper or plastics

HTS Code 9025

Hydrometers, areometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers, recording or not, and any combination of these instruments

HTS Code 9026

Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases, e.g. flow meters, level gauges, manometers, heat meters (excluding instruments and apparatus of heading 9014, 9015, 9028 or 9032)

HTS Code 9027

Instruments and apparatus for physical or chemical analysis, e.g. 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, incl. exposure meters; microtomes

HTS Code 9028

Gas, liquid or electricity supply or production meters, incl. calibrating meters therefor

HTS Code 9029

Revolution counters, production counters, taximeters, milometers, pedometers and the like (excluding gas, liquid and electricity meters); speed indicators and tachometers (excluding those of heading 9014 and 9015); stroboscopes

HTS Code 9030

Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities (excluding meters of heading 9028); instruments and apparatus for measuring or detecting alpha, beta, gamma, X-ray, cosmic or other ionising radiations

The 4 digit HS Code or HTS Code is called a heading. It comes after chapter (2 digit) in the HS Code hierarchy. There are around 1258 4-digit HS Codes in the United States HTS Code.

How to find the US import duty or customs duty after identifying the 4 digit code?

Identify your product's 4 digit HTS Code or HS Code from this list

Now, click on the 4 digit code, it will take you to a list of HTS 6.

All the import duty tariffs in the HTS US are listed at 8 digit HTS Code. After you reach the right HTS 6 you will be able to identify your HTS 8 as well.

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