Chapters › 8540 › 8540.99

HTS 8540.99

Other

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 › Parts

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
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Chapter 99 measures listing products under 8540.99

Lines under 8540.99

HTSDescriptionGeneralColumn 2
8540.99.40.00Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusiveFree35%
8540.99.80.00OtherFree35%