Chapter 85 · Electrical machinery; electronics; sound and TV equipment · Section 16

HS Code 8540.91

Of cathode-ray tubes

Heading 8540: Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof

US duty (general)
Free - 5.4%
US HTS lines
3
EU CN codes
1
UK commodity codes
4
Unit
No., kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 8540.91

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
8540.91.15 Of cathode-ray tubes >
Front panel assemblies 		5.4% Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 35% No.
8540.91.20 Of cathode-ray tubes >
Deflection coils 		Free - 35% No.
8540.91.50 Of cathode-ray tubes >
Other 		5.4% Free (A+,AU,B,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) 35% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 8540.91

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
8540 91 00 Of cathode ray tubes EU duty (TARIC) →

United Kingdom - commodity codes under 8540.91

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
8540 91 00 00 Of cathode ray tubes UK duty & VAT →
8540 91 00 10 For use in certain types of aircraft UK duty & VAT →
8540 91 00 20 Thermionic electron source (emitter point) of lanthanum hexaboride (CAS RN 12008-21-8) or cerium hexaboride (CAS RN 12008-02-5), with electric connectors - with or without a metal housing, - with or without a graphite carbon shield mounted in a mini-Vogel type system, - with or without separate pyrolytic carbon blocks used as heating elements, and - a cathode temperature of less than 1 800 K at a filament current of 1,26 A UK duty & VAT →
8540 91 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 8540

8540.00 8540 Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vap 8540.11 Color 8540.12 Monochrome 8540.20 Television camera tubes; image converters and intensifiers; other photocathode tubes 8540.40 Data/graphic display tubes, monochrome; data/graphic display tubes, color, with a phosphor 8540.60 Other cathode-ray tubes 8540.71 Magnetrons 8540.79 Other 8540.81 Receiver or amplifier tubes 8540.89 Other 8540.91 Of cathode-ray tubes 8540.99 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.