Oil Sight Glass for Refrigeration Compressor Lubrication

Quartz sight glass assembly for monitoring oil levels in hermetic refrigerating compressors. Precision-engineered for high-pressure oil reservoirs under HTS 8414.90.4140. Essential for maintenance in air conditioning systems.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

7017.90.50.00Higher: 41.7% vs 35%

If laboratory sight glasses

Non-pressure glassware goes to laboratory equipment.

9026.10.60.00Lower: 17.5% vs 35%

If with integrated level indicators

Measuring functionality dominates classification.

8414.90Same rate: 35%

If sight glasses for other compressors

General compressor parts exclude refrigerating specificity.

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

Pressure and temperature rating certifications required

Specify glass material suitable for refrigerant oils

Avoid classification as general laboratory glassware

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