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US HTS CODE | Harmonized Tariff Schedule HS code & Tariffs Search Service (2026 HTS Revision 2 (01/30/2026))

HTS Code 9105991000 9027
Article Description Standard marine chronometers having spring-detent escapements
Other, with movement measuring not over 50 mm in width or diameter:
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:
Quota of Quantity -- --
Unit of Quantity [No., Jwls.] []
Rates of Duty (1-General) 17¢ each + 2.5% + 1¢/jewel --
Rates of Duty (1-Special) Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) --
Rates of Duty (2-Cuba and North Korea) $4.50 each + 65% + 25¢/jewel --
Footnotes [general], See href='/us-hs/detail/99038815' >9903.88.15. , type=endnote []
Additional Duty -- --
Additional Duty(products of China) The duty provided in the applicable subheading + 7.5% --