8540.99.40.00
| Heading/ Subheading |
Stat Suffix | Article Description | Unit of Quantity | General (column 1) | Special (column 1) | Column 2 |
|---|---|---|---|---|---|---|
| 8540 | Thermionic, cold cathode or photocathode tubes (for example, vacuum or vaporor gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes);parts thereof: | n/a | n/a | n/a | n/a | |
| 8540 99 | Other: | n/a | n/a | n/a | n/a | |
| 8540 99 40 | 00 | Electron guns; radio frequency (RF) interaction structures for microwave tubes ofsubheadings 8540.71 through 8540.79, inclusive | X | Free | n/a | 35% |