Of turbo-jets or turbo-propellers
Turbo-jets, turbo-propellers and other gas turbines. > Parts: > Of turbo-jets or turbo-propellers
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Subheadings
Products classified under Tariff item 8411.91
Cast Iron Accessory Gearbox Mounting Frame
A rough cast iron frame that mounts the accessory gearbox on aircraft turbofan engines. Basic cleaning and machining for gate removal only, making it an unfinished part of a turbojet.
8411.91.00Cast Iron Bearing Housing
A cast iron housing for main bearings in aircraft turbojet rotor assemblies. It is cleaned, fins/gates removed, and machined for location only, meeting the requirements for an unfinished aircraft turbine part.
8411.91.00Cast Iron Bearing Housing for Civil Turbofan Engine
A cast iron bearing housing that supports the main bearings in a civil turbofan engine used on passenger aircraft. The part has undergone only cleanup machining to remove casting artifacts, making it an unfinished component of a turbojet or turbopropeller.
8411.91.00Cast Iron Compressor Stator Vane Carrier
A cast iron support structure holding stator vanes in the compressor stage of aircraft turbopropellers. Produced by casting, cleaned, and machined solely for casting defect removal and fixturing, qualifying as an unfinished part.
8411.91.00Cast Iron Compressor Stat or Vane for Civil Jet Engine
Cast iron stator vanes that guide airflow in the compressor stage of civil jet turbojet engines. The machining is limited to casting defect removal, so the part is considered an unfinished component of a turbojet.
8411.91.00Cast Iron Exhaust Nozzle Segment for Turboprop Civil Aircraft
A segmental cast iron component forming part of the exhaust nozzle in civil turboprop engines. It is machined solely for casting cleanup and fixturing, making it an unfinished part specifically for turbopropellers.
8411.91.00Cast Iron Fan Case Half
A halved cast iron casing for the fan section of high-bypass aircraft turbofan engines. It is cast, cleaned, gates removed, and lightly machined for assembly fixturing only, aligning with the description of an unfinished part.
8411.91.00Cast Iron Fan Frame Midstructure for Civil Widebody Jet
A structural cast iron mid-frame supporting the fan section in widebody civil jet engines, such as the GE90. The part is machined only for casting preparation, qualifying as an unfinished civil aircraft turbine component.
8411.91.00Cast Iron Gas Turbine Inlet Housing
A rough cast-iron inlet manifold for non-aircraft industrial gas turbines, machined solely for gate removal and fixture location in finishing equipment. Although for gas turbines, it is a part of a turbojet or turbopropeller if used in such engines, but here it is for other gas turbines, so it does not fall under this item.
8411.91.00Cast Iron Generator Drive Shaft Casting
A basic cast-iron shaft blank for coupling turbojets to generators in non-aircraft power plants, with minimal machining for sprue removal. It is a part of a turbojet, but for non-aircraft applications, it still falls under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Intermediate Compressor Case
A cast iron housing connecting low- and high-pressure compressor stages in aircraft gas turbines. Limited to cleaning and machining for sprue removal/location, qualifying as an unfinished aircraft part.
8411.91.00Cast Iron Non-Aircraft Turbine Nozzle Ring
A rough-machined cast-iron nozzle guide vane ring for industrial non-aircraft gas turbines, prepared only by cleaning casting flash and risers. Although for gas turbines, it is a part of a turbojet or turbopropeller if used in such engines, but here it is for other gas turbines, so it does not fall under this item.
8411.91.00Cast Iron Oil Sump
A bottom cast iron oil collection sump for aircraft turbine bearing compartments. Cleaned and machined only for casting defects, per the criteria for aircraft turbine parts, and contains scavenge oil flow and debris.
8411.91.00Cast Iron Oil Sump Housing for Regional Jet Turboprop
A bottom cast iron housing that collects lubricating oil in regional jet turboprop engines, with minimal machining for location purposes. It is an unfinished part of a turbopropeller.
8411.91.00Cast Iron Turbine Exhaust Collector
A rough cast-iron collector for exhaust gases from non-aircraft turbopropellers, cleaned and located-machined only. It is an unfinished part of a turbopropeller, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbine Exhaust Frame
A rough cast iron frame that supports the exhaust nozzle and directs hot gases in aircraft jet engines. Cleaned and machined only to eliminate sprues/risers for finishing placement, per the criteria for aircraft turbine parts.
8411.91.00Cast Iron Turbine Inlet Case
A cast iron housing that directs airflow into the compressor section of an aircraft turbojet engine. It is cast from iron, cleaned, and minimally machined only to remove casting imperfections and facilitate finishing, fitting the description of an unfinished part.
8411.91.00Cast Iron Turbine Inlet Case for Civil Aircraft Turbojet
A cast iron housing that directs airflow into the compressor section of a civil aircraft turbojet engine. It is cast and machined only to remove fins, gates, sprues, risers, or for location in finishing machinery, fitting the description of an unfinished part.
8411.91.00Cast Iron Turbine Nozzle Support Ring
A rough cast iron ring that supports turbine nozzle segments in aircraft jet engines. It is machined only for casting cleanup and finishing machine location, and it distributes thermal and mechanical loads in the turbine section. As a part of a turbojet or turbopropeller, it is classified under tariff item 8411.91.00.
8411.91.00Cast Iron Turbine Scroll
A cast iron scroll that collects and directs exhaust flow in small aircraft turbopropellers. It is minimally machined for sprue removal and fixturing, and it optimizes exhaust thrust vectoring. As a part of a turbopropeller, it falls under tariff item 8411.91.00.
8411.91.00Cast Iron Turbine Shroud Ring for Civil Airliner Engine
A cast iron ring that encircles turbine blades in civil airliner gas turbine engines, prepared only with basic machining for casting artifacts. It is an unfinished part of a turbojet or turbopropeller.
8411.91.00Cast Iron Turbofan Diffuser Rough Part
A preliminary cast-iron diffuser component for non-aircraft turbofan gas turbines, with only fins, gates, and sprues removed for machining setup. It is a part of a turbojet (turbofan is a type of turbojet), falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbojet Combustion Chamber Support
A basic cast-iron support bracket for turbojet combustion chambers, processed only by cleaning and minimal machining to remove casting artifacts or enable fixture placement. It is an unfinished part specifically designed for turbojet engines, falling under the parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbojet Compressor Casing
A rough cast-iron housing for the compressor section of a non-aircraft turbojet engine, machined only to remove casting imperfections like fins and gates for subsequent finishing. It is an unfinished part of a turbojet, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbojet Compressor Housing
A rough cast-iron housing for the compressor section of a turbojet engine, cleaned and minimally machined only to remove casting imperfections or for fixture placement. As an unfinished part of a turbojet, it is classified under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbojet Exhaust Nozzle Flange
An unfinished cast-iron flange for attaching exhaust nozzles in turbojet engines, with limited processing including cleaning and machining only for casting defect removal or fixturing. It is a part of a turbojet, classified under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turbojet Inlet Duct Casting
A 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. It is an unfinished part of a turbojet, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turboprop Gearbox Housing
A 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. It is an unfinished part of a turbopropeller, classified under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turboprop Impeller Mounting Base
A 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. It is an unfinished part of a turbopropeller, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turboprop Shaft Bearing Housing
A rough cast-iron housing for shaft bearings in turbopropeller power sections, machined minimally for gate/sprue removal and fixturing only. It is an unfinished part of a turbopropeller, classified under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turboprop Turbine Blade Rough Casting
A rough cast-iron turbine blade for turboprop engines used in non-aircraft applications like marine propulsion, cleaned and lightly machined only to remove sprues and risers. It is an unfinished part of a turbopropeller, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Cast Iron Turboprop Turbine Case
A 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. It is an unfinished part of a turbopropeller, falling under parts of turbo-jets or turbo-propellers.
8411.91.00Turbine Compressor Rotor Assembly
A precision-engineered rotor assembly used in the compressor section of turbojet engines, consisting of multiple blades mounted on a central disk. It is specifically designed for turbojet engines and is classified as a part under tariff item 8411.91.00.
8411.91.00Turbojet Combustion Chamber Liner
An inner liner of the annular combustion chamber in turbojet engines, perforated for fuel-air mixing and cooled by airflow. It is made from high-temperature alloys and is classified as a part of a turbojet under tariff item 8411.91.00.
8411.91.00Turbojet Fuel Nozzle Assembly
A multi-orifice fuel injection nozzle that delivers atomized fuel into turbojet combustion chambers, with an integrated swirler. It ensures complete combustion and low emissions, and it is classified as a part of a turbojet under tariff item 8411.91.00.
8411.91.00Turbojet Inlet Guide Vane Ring
A circumferential ring of adjustable inlet guide vanes that controls airflow into turbojet compressors. It is an integral stator assembly that optimizes engine performance from startup to cruise, and it is classified as a part of a turbojet under tariff item 8411.91.00.
8411.91.00Turbojet Turbine Nozzle Guide Vane
Stator vanes that direct high-temperature exhaust gases onto turbine blades in turbojet engines, made from heat-resistant nickel alloys. They are classified as parts of turbojets under tariff item 8411.91.00, distinct from complete turbine assemblies.
8411.91.00Turbojet Variable Stator Vane Actuator
A hydraulic or electric actuator that adjusts stator vane angles in turbojet compressors for optimal performance across speeds. It enables variable geometry in the engine, and it is classified as a part of a turbojet under tariff item 8411.91.00.
8411.91.00Turboprop Accessory Drive Gearbox
A compact gearbox that drives engine accessories like fuel pumps and generators from the turboprop main shaft. It is a complex assembly with precision gears, and it is classified as a part of a turbopropeller under tariff item 8411.91.00.
8411.91.00Turboprop Engine Shaft Bearing Housing
A specialized housing that supports main shaft bearings in turboprop engines, designed to withstand extreme speeds and temperatures. It is classified as a part of a turbopropeller under tariff item 8411.91.00, excluding standard bearing housings.