Base
HTS 8540.99Chapter 85

HTS 8540.99Other: Duty Rate & Import Guide

Electrical Machinery and Equipment · $1.7M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$1.7M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

1 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 1 NCM code

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (3)

CodeDescriptionRate
8540.99Other:
8540.99.40.00Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusiveFree
8540.99.80.00OtherFree

CBP Rulings (1)

967289Classification

Protest 1704-04-100111; Electron Guns, Parts of Cathode-Ray Tubes; Treatment, 19 U.S.C. 1625(c)

Matching Export Code (Schedule B)

8540990000Schedule B

THERMIONIC, COLD CATHODE OR PHOTOCATHODE TUBE PARTS, NESOI

Census Bureau export classification matching this HTS import code.

8540.91.50.008540.99.40.00