Subheading 8540.79 · Section XVI

8540.79

Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes

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85 Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles

8540 Thermionic, cold cathode or photo-cathode valves and tubes (e.g. vacuum, vapour, gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray and television camera tubes)

8540.79 Microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes

Other subheadings under 8540

8540.11Cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour
8540.12Cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome
8540.20Television camera tubes, image converters and intensifiers, other photo-cathode tubes
8540.40Data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm
8540.60Cathode ray, n.e.c. in heading no. 8540
8540.71Microwave, magnetrons, excluding grid-controlled tubes
8540.81Receiver or amplifier
8540.89N.e.c. in heading no. 8540
8540.91Parts of cathode-ray tubes
8540.99Parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes

Source: Harmonized System 2022 edition (World Customs Organization), from the UN Comtrade classification list.