X-Ray Tube Grid Control Electrode

Bias grid electrode assembly modulating electron beam current in gated X-ray tubes for pulsed fluoroscopy. Precision spacing for microsecond switching. Dedicated X-ray tube component HTS 9022.90.40.00.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina0.9%+35.0%35.9%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico0.9%+10.0%10.9%
๐Ÿ‡จ๐Ÿ‡ฆCanada0.9%+10.0%10.9%
๐Ÿ‡ฉ๐Ÿ‡ชGermany0.9%+10.0%10.9%
๐Ÿ‡ฏ๐Ÿ‡ตJapan0.9%+10.0%10.9%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8540.71Lower: 13.7% vs 35.9%

If microwave tube control electrodes

Different radiation type shifts to Chapter 85 tubes

9033.00Lower: 14.4% vs 35.9%

If generic vacuum tube electrodes

Non-principal use electrodes to residual heading

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

โ€ข Specify grid bias voltage and switching specs; vacuum bakeout compatibility certification; avoid generic vacuum tube grid classification

Related Products under HTS 9022.90.40.00

X-Ray Tube Anode Assembly

The anode assembly is the core rotating component inside an X-ray tube where electrons strike to generate X-rays. It is specifically designed as a replacement part for diagnostic and therapeutic X-ray tubes used in medical imaging equipment. Classified under HTS 9022.90.40.00 as a dedicated accessory of X-ray tubes per Chapter 90 note on parts classification.

X-Ray Tube Cooling Fan Module

A specialized cooling fan designed exclusively for dissipating heat from high-power X-ray tubes during prolonged medical imaging sessions. Features precision mounting for integration directly into X-ray tube housings. Falls under HTS 9022.90.40.00 as an accessory dedicated to X-ray tube operation.

X-Ray Tube High-Voltage Cable Connector

High-voltage connector assembly engineered specifically for X-ray tube power feeds, rated for 150kV+ operation with corona-resistant insulation. Used in radiography systems to safely transmit power to tube cathodes. HTS 9022.90.40.00 classification as X-ray tube accessory per parts rules.

X-Ray Tube Filament Transformer

Precision transformer supplying stable low-voltage/high-current to X-ray tube filaments for electron emission control. Matched to medical X-ray tube specifications for emission consistency. Classifies under HTS 9022.90.40.00 as dedicated X-ray tube accessory.

X-Ray Tube Bearing Kit

Magnetic or ball bearing kit designed for rotating anode X-ray tubes, providing oil-free high-speed operation under vacuum. Critical for maintaining anode RPM during fluoroscopy. HTS 9022.90.40.00 as specific X-ray tube replacement part.

X-Ray Tube Vacuum Seal Assembly

High-vacuum ceramic-metal seal maintaining X-ray tube internal vacuum integrity against cathode-anode differential pressures. Designed for CT scanner replacement service. Classifies as HTS 9022.90.40.00 X-ray tube accessory.