Cast Iron Turbojet Compressor Housing
A rough cast-iron housing designed for the compressor section of a turbojet engine. It is cleaned and minimally machined only to remove casting imperfections like fins, gates, sprues, and risers, or for fixture placement in further finishing. Classified under HTS 8411.91.10 as a basic cast-iron part of turbojets not advanced beyond initial cleaning and minimal machining.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If further machined or assembled
Parts advanced beyond basic cleaning and minimal machining, such as those with finished surfaces or locations, fall under the residual provision for turbojet parts.
If for general machinery use, not specifically turbojets
Cast-iron castings machined only for removal of fins etc., but not identifiable as turbojet-specific, classify under general cast-iron products.
If used in turboprop transmission housings
Certain cast-iron housings for turboprop gear systems may classify as transmission parts under Chapter 84 pump/transmission headings.
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Import Tips & Compliance
• Verify casting is not advanced beyond cleaning and minimal machining to avoid reclassification into finished parts under 8411.91.90
• Provide foundry certificates confirming cast-iron composition and processing limited to fin/gate removal
Related Products under HTS 8411.91.10
Cast Iron Turboprop Turbine Case
Rough cast-iron outer case for the turbine section in turbopropeller engines. Limited to cleaning and machining solely for fin, gate, sprue, and riser removal or finishing machine location. Meets HTS 8411.91.10 as an unfinished cast-iron part dedicated to turbopropellers.
Cast Iron Turbojet Inlet Duct Casting
Basic cast-iron component forming the air inlet duct for turbojet engines. Processed only by cleaning and minimal machining to eliminate casting defects or enable fixturing. Falls under 8411.91.10 for its specific use in turbojet air intake systems.
Cast Iron Turboprop Gearbox Housing
Rough cast-iron housing for the reduction gearbox in turboprop engines. Machined only to remove fins, gates, sprues, risers, or for locating in finishing equipment. Specifically provided for in HTS 8411.91.10 as a turbopropeller part.
Cast Iron Turbojet Exhaust Nozzle Flange
Unfinished cast-iron flange for attaching exhaust nozzles in turbojet engines. Limited processing includes cleaning and machining only for casting defect removal or fixturing. HTS 8411.91.10 applies to such basic turbojet cast-iron components.
Cast Iron Turboprop Impeller Mounting Base
Rough cast-iron base plate for mounting impellers in turboprop compressors. Cleaned and minimally machined solely to remove sprues, risers, fins, gates, or for finishing fixture location. Qualifies under HTS 8411.91.10 for turboprop parts.
Cast Iron Turbojet Combustion Chamber Support
Basic cast-iron support bracket for turbojet combustion chambers. Features only cleaning and machining to eliminate casting artifacts or permit finishing machine placement. Covered by HTS 8411.91.10 as unfinished turbojet cast-iron part.