HS code 854079: Microwave Tubes
- Covers:
- Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour… not listed under the other codes in this heading.
- Not covered:
- 854011 (Cathode ray television picture tubes, including…); 854012 (Cathode ray television picture tubes, including…); 854020 (Television camera tubes; image converters and…); and others.
- Listed US duty:
- 3.3%–3.7% (US general rate, HTS 2026)
Official description
Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes) : Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons), excluding grid-controlled tubes : Other
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 854079 covers and what it doesn’t
Official text: Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes) › Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons), excluding grid-controlled tubes › Other.
This is the “other” line of heading 8540 (thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes)). It takes goods of that heading that no more specific subheading names. These go elsewhere:
- 854011 Cathode ray television picture tubes, including video monitor cathode ray tubes — Colour
- 854012 Cathode ray television picture tubes, including video monitor cathode ray tubes — Monochrome
- 854020 Television camera tubes; image converters and intensifiers; other photocathode tubes
- 854040 Data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0,4 mm
- 854060 Other cathode ray tubes
- 854071 Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons), excluding grid-controlled tubes — Magnetrons
- 854081 Other valves and tubes — Receiver or amplifier valves and tubes
- 854089 Other valves and tubes — Other
- 854091 Parts — Of cathode ray tubes
- 854099 Parts — Other
Nearby codes to check
- Heading 8540 Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes): every subheading side by side.
US duty rate
3.3%–3.7%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Common questions
- What is HS code 854079?
- Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes) : Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons),…
- What duty rates apply to 854079?
- Listed US duty: 3.3%–3.7% (US general rate, HTS 2026).
Go beyond the code
Find the companies shipping under 854079 in the company directory, or classify and check duty with the CLI.