854091
Tubes; parts of cathode-ray tubes
Country-Specific Tariff Codes
πΊπΈ
United States
HTS
πͺπΊ
European Union
TARIC
π¨π¦
Canada
CT
π³π΄
Norway
Tariff
π¬π§
United Kingdom
UK Tariff
8540910010
For use in certain types of aircraft
8540910020
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
8540910090
Other
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