HTS Codes / Chapter 85

8540.99.40.00

Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusive

Duty rates

General (MFN)

Free

Column 2 (non-MFN)

35%

Unit of quantity

No.

“General” applies to imports from most trading partners under normal trade relations. “Special” lists products eligible for reduced or duty-free treatment under programs like GSP, USMCA, CAFTA-DR, or individual free-trade agreements. “Column 2” applies to imports from countries without normal trade relations (currently Cuba and North Korea).

Chapter 85

Electrical machinery and equipment and parts thereof; sound recorders and reproducers (Section XVI — Machinery and mechanical appliances)