Other
Turbojets, turbopropellers and other gas turbines, and parts thereof: > Parts: > Of turbojets or turbopropellers: > Cast-iron parts, not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery > Parts of aircraft turbines: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8411.91.10.90
Cast Iron Turbine Scroll
Cast iron scroll collecting and directing exhaust flow in small aircraft turbopropellers. Machined minimally for sprue removal and fixturing, qualifying under HTS 8411.91.10.90. Optimizes exhaust thrust vectoring.
Cast Iron Oil Sump
Bottom cast iron oil collection sump for aircraft turbine bearing compartments. Cleaned and machined only for casting defects, per HTS 8411.91.10.90 aircraft parts. Contains scavenge oil flow and debris.
Cast 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 HTS 8411.91.10.90 as a part of aircraft turbines not advanced beyond basic preparation. This part ensures efficient air intake under high-speed flight conditions.
Cast Iron Compressor Stator Vane Carrier
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 under HTS 8411.91.10.90 for aircraft turbine rough parts. It maintains vane alignment for optimal compression efficiency.
Cast Iron Turbine Exhaust Frame
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 HTS 8411.91.10.90 criteria for aircraft turbojet parts. Critical for structural integrity under extreme thermal loads.
Cast Iron Fan Case Half
Halved cast iron casing for the fan section of high-bypass aircraft turbofan engines. Cast, cleaned, gates removed, and lightly machined for assembly fixturing only, aligning with HTS 8411.91.10.90 for unfinished aircraft turbine parts. Provides containment for fan blade failures.
Cast Iron Intermediate Compressor Case
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 HTS 8411.91.10.90 aircraft part. Essential for pressure containment and rotor support.
Cast Iron Turbine Nozzle Support Ring
Rough cast iron ring supporting turbine nozzle segments in aircraft jet engines. Machined only for casting cleanup and finishing machine location, per HTS 8411.91.10.90 for aircraft turbopropeller parts. Distributes thermal and mechanical loads evenly.
Cast Iron Bearing Housing
Cast iron housing for main bearings in aircraft turbojet rotor assemblies. Cleaned, fins/gates removed, and machined for location only, meeting HTS 8411.91.10.90 requirements for unfinished aircraft turbine parts. Ensures precise shaft alignment and oil containment.
Cast Iron Accessory Gearbox Mounting Frame
Rough cast iron frame mounting accessory gearbox on aircraft turbofan engines. Basic cleaning and machining for gate removal only, as specified in HTS 8411.91.10.90 for aircraft turbine parts. Supports fuel pumps, generators, and hydraulic pumps.