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DOT 3AA Nitrogen Charge Cylinder

Seamless steel cylinder marked DOT 3AA for nitrogen charging in hydraulic accumulators, no overwrap. Standard for automotive and machinery pre-charge. 300 cubic foot capacity.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+75.0%75%
🇲🇽MexicoFree+50.0%50%
🇨🇦CanadaFree+50.0%50%
🇩🇪GermanyFree+50.0%50%
🇯🇵JapanFree+50.0%50%

Alternative Classifications

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

7311.00.00Same rate: 75%

If overwrapped for shop handling

Packaging changes suffix.

8431.39.00Lower: 40% vs 75%

If part of hydraulic machinery

Machinery parts if integral.

8708.99.81Lower: 52.5% vs 75%

If automotive suspension systems

Vehicle part end-use.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Specify CGA valve outlet (e.g

• 580) in docs

• Pressure test records mandatory for entry

• Sets with gauges classify differently