Heading 8540

PSCC Heading 8540 — Thermionic, cold cathode or photo-cathode 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) (2026)

Heading 8540 identifies the main commodity family Thermionic, cold cathode or photo-cathode 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) within Chapter 85.

Level Heading
Code 8540
Children 4
Source PSCC
Practical summary

What this code covers

Heading 8540 identifies the main commodity family Thermionic, cold cathode or photo-cathode 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) within Chapter 85.

Administrative context

Where this code is used

Use this heading when the product name is close but still too broad for the subheading or line level.

Selection note

How to choose it

Compare the subheadings under Heading 8540 and then choose the line that matches the exact product wording.

Nearby headings

FAQ

What does PSCC 8540 cover?

Heading 8540 identifies the main commodity family Thermionic, cold cathode or photo-cathode 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) within Chapter 85.

Where is PSCC 8540 used in practice?

Use this heading when the product name is close but still too broad for the subheading or line level.

How do I choose PSCC 8540 over nearby options?

Compare the subheadings under Heading 8540 and then choose the line that matches the exact product wording.