Turbine Exhaust Diffuser Duct
Contoured diffuser duct transitioning exhaust flow from turbine exit to exhaust nozzle in military aircraft turbojets. Reduces backpressure and improves efficiency. Other aircraft turbine part under 8411.91.90.85.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel tanks/reservoirs mistaken for ducts
Steel tanks and reservoirs under Chapter 73.
If industrial gas turbine exhaust components
Non-aircraft turbine parts in 8411.99.
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
• Document acoustic liner design and noise suppression performance
• ITAR registration mandatory for military turbine components
• Fabrication method (sheet metal vs casting) affects material declarations
Related Products under HTS 8411.91.90.85
High-Pressure Turbine Shroud Segment
Single-crystal superalloy HPT shroud segment with abradable coating for tip clearance control in aircraft engines. Protects turbine case from blade wear. HTS 8411.91.90.85 for other aircraft turbine parts.
Titanium Turbine Blade for Aircraft Turbojet
Precision-engineered titanium high-pressure turbine blade designed specifically for aircraft turbojet engines. It withstands extreme temperatures and rotational stresses in the turbine section. Classified under HTS 8411.91.90.85 as a part of turbojets used in aircraft.
Nickel Alloy Compressor Stator Vane
High-temperature nickel superalloy stator vane for the compressor section of commercial aircraft turbofan engines. Directs airflow efficiently while enduring corrosive environments. Falls under HTS 8411.91.90.85 as an other part of aircraft turbojet/turbopropeller.
Combustor Liner Segment for Turbofan Engine
Ceramic matrix composite combustor liner segment for next-generation high-bypass turbofan engines used in widebody aircraft. Provides thermal protection and reduces weight. HTS 8411.91.90.85 classification for aircraft turbine combustor parts.
Aircraft Turbine Bearing Housing
Precision-machined bearing housing assembly for main shaft bearings in high-performance aircraft turboprops. Made from high-strength steel alloy with specialized coatings. Classified as other aircraft turbine parts under 8411.91.90.85.
Turbine Nozzle Guide Vane Ring
Monolithic nozzle guide vane ring assembly for aircraft gas turbine hot section, manufactured via investment casting. Controls hot gas flow to turbine blades. HTS 8411.91.90.85 as other turbojet parts for aircraft.