HS 8540 — 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)

HS heading 8540 (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)) spans 10 products in U.S. import records, with 169,007 bill-of-lading shipments. The most imported are Cathode-ray television picture tubes, including video monitor cathode-ray tubes, color, Television camera tubes, and 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) of cathode-ray tubes.

Part of Chapter 85: Electrical machinery and equipment; sound and television apparatus

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through May 2026