Chapter 8487 — Customs Tariff Headings
Products classified under Tariff item 84.87
Aluminum Bronze Outboard Propeller
A durable propeller for high-speed outboard motors on speedboats, composed of aluminum bronze (copper-aluminum alloy). This propeller is classified under tariff item 8487.10.00 as a ship's or boat's propeller, without electrical features.
8487.10.00Aluminum Outboard Propeller Blade
A lightweight aluminum blade designed for outboard motors on small boats, machined for balance and thrust efficiency. It is a common replacement part for fishing and recreational vessels, offering corrosion resistance and easy installation. This blade is classified under tariff item 8487.10.00 as a boat propeller blade without electrical features.
8487.10.00Bronze Marine Propeller
A fixed-pitch propeller made primarily from copper-based bronze alloy, designed for outboard motors on recreational boats. This propeller falls under tariff item 8487.10.00 as a ship's or boat's propeller, lacking electrical features.
8487.10.00Bronze Ship Propeller Blade
A precision-cast bronze blade designed for marine propellers on commercial ships, featuring hydrodynamic shaping for efficient thrust. It is a replacement part for fixed-pitch propellers, offering strength and corrosion resistance in seawater. This blade is classified under tariff item 8487.10.00 as a propeller blade without electrical features.
8487.10.00Brunswick Contender Stainless Steel Boat Propeller
A 15-inch stainless steel propeller designed for outboard motors on recreational boats, featuring three blades for optimal thrust and durability in marine environments. This complete propeller is classified under tariff item 8487.10.00 as a ship's or boat's propeller, not containing electrical features.
8487.10.00Controllable Pitch Copper Propeller
An adjustable pitch propeller hub and blades from phosphor bronze for ferries and workboats. This propeller is classified under tariff item 8487.10.00 as a ship's or boat's propeller, without electrical parts, allowing variable thrust for efficient maneuvering.
8487.10.00Controllable Pitch Ship Propeller
An advanced controllable pitch propeller for large ships, allowing runtime blade angle adjustment for fuel efficiency. It is designed for cargo and passenger vessels, optimizing performance under varying load conditions. This propeller is classified under tariff item 8487.10.00 as a ship's propeller, provided it does not contain electrical connectors, insulators, coils, contacts, or other electrical features.
8487.10.00Copper Alloy Inboard Boat Propeller
A three-blade propeller crafted from high-tensile copper-manganese alloy for inboard engines on sailing yachts. This propeller is classified under tariff item 8487.10.00 due to its propeller function for ships/boats and absence of electrical features.
8487.10.00Ducted Thruster Propeller
A propeller within a ducted shroud for azimuth thrusters on ships, enhancing maneuverability in tight spaces. It is essential for tugboats and ferries, providing efficient thrust in multiple directions. This propeller is classified under tariff item 8487.10.00 as a ship's propeller without electrical features.
8487.10.00Ferry Service Propeller Blade Set
A matched set of copper alloy blades for large ferry propellers. This blade set is classified under tariff item 8487.10.00 as blades for ships' or boats' propellers, balanced for high-volume passenger transport.
8487.10.00Fishing Vessel Propeller
A robust propeller for commercial fishing trawlers, designed for low-speed torque in rough seas. It features reinforced leading edges to withstand debris impact and harsh conditions. This propeller is classified under tariff item 8487.10.00 as a boat propeller without electrical features.
8487.10.00Leisure Dinghy Propeller
A compact two-blade copper-nickel propeller for inflatable dinghies and tenders. This propeller is classified under tariff item 8487.10.00 as a copper boat propeller without electrics, lightweight for easy trolling motor attachment.
8487.10.00Manganese Bronze Propeller Blade
A replacement blade for controllable-pitch propellers, made from copper-manganese bronze for commercial fishing boats. This blade is classified under tariff item 8487.10.00 as a blade for a ship's or boat's propeller, without electrical features.
8487.10.00Mercury Spitfire Bravo Three Propeller
A high-performance stainless steel propeller for Mercury Bravo Three outboards, ideal for offshore fishing boats with aggressive rake for lift. This complete propeller falls under tariff item 8487.10.00 as a boat's propeller for marine vessels, without electrical features.
8487.10.00Michigan Wheel Vortex Aluminum Inboard Propeller
A four-blade aluminum propeller for inboard boat engines, offering high efficiency and weedless performance for freshwater applications. This propeller is classified under tariff item 8487.10.00 as a boat's propeller and blades therefor, distinct from other machinery parts.
8487.10.00Naval Brass Ship Propeller
A four-blade propeller made from naval brass, a copper-zinc alloy, designed for small coastal cargo ships. It is engineered for corrosion resistance in brackish and saltwater environments, ensuring durability and reliable propulsion. This propeller falls under tariff item 8487.10.00 as a ship's propeller that does not contain electrical connectors, insulators, coils, contacts, or other electrical features.
8487.10.00NialBronze Pleasure Craft Propeller
A NialBronze alloy propeller tailored for pleasure crafts, offering superior corrosion resistance in saltwater environments. It is designed for recreational boating, providing smooth and efficient performance. This propeller is classified under tariff item 8487.10.00 as a boat propeller without electrical features.
8487.10.00PowerTech OFX Propeller for Ski Boats
A custom four-blade stainless propeller optimized for water ski and wakeboard tow boats, delivering precise hole shot. This propeller falls under tariff item 8487.10.00 as a boat's propeller for recreational craft, with cupped blades to reduce ventilation.
8487.10.00Solara Inflatable Boat Propeller Blades
Durable plastic composite blades replacement for small inflatable dinghy outboards like Tohatsu. These blades are classified under tariff item 8487.10.00 as blades for ships' or boats' propellers, even for rigid inflatable boats (RIBs).
8487.10.00Solas Amita 4 Stainless Steel Outboard Propeller
A premium four-blade stainless steel propeller from Solas, tailored for high-performance outboard motors on speedboats, providing superior grip and speed. This propeller qualifies under tariff item 8487.10.00 for ships' or boats' propellers, without electrical features.
8487.10.00Spare Propeller Blade for Cargo Ship
A heavy-duty spare blade for fixed-pitch propellers on bulk cargo ships, made from high-strength nickel-aluminum bronze. It is stored onboard for quick replacement in case of damage, ensuring minimal downtime. This blade is classified under tariff item 8487.10.00 as a ship's propeller blade without electrical features.
8487.10.00Stainless Steel Boat Propeller
A durable stainless steel propeller for recreational boats, optimized for high-speed performance with a multi-blade configuration. It is designed for speed and efficiency, offering resistance to corrosion and damage. This propeller is classified under tariff item 8487.10.00 as a boat propeller without electrical components.
8487.10.00Tugboat Bow Thruster Propeller
A propeller for bow thruster tunnels in tugboats, providing lateral thrust for docking and maneuvering. It is made from stainless steel for durability in harsh marine environments. This propeller is classified under tariff item 8487.10.00 as a ship's propeller without electrical features.
8487.10.00Turning Point Hustler Aluminum Propeller
An affordable three-blade aluminum propeller from Turning Point for pontoon boats, emphasizing durability and value. This propeller is classified under tariff item 8487.10.00 as a standard boat propeller not specified elsewhere, with a patented hub system.
8487.10.00Volvo Penta Aquamatic Propeller Blade Set
A replacement stainless steel blade set for Volvo Penta Aquamatic sterndrive systems on yachts, ensuring balanced propulsion. This blade set falls under tariff item 8487.10.00 explicitly as blades for boats' propellers, precision machined.
8487.10.00Yacht Stern Drive Propeller
A high-performance propeller for inboard/outboard stern drives on luxury yachts, featuring a surface-piercing design for speed. It is engineered for efficiency and durability in high-speed marine applications. This propeller is classified under tariff item 8487.10.00 as a boat propeller without electrical features.
8487.90.00Automotive Crankshaft Oil Seal
A radial oil seal designed for sealing the crankshaft in internal combustion engines, preventing oil leakage between the rotating shaft and engine block. Made from nitrile rubber with a metal reinforced outer casing, this non-electrical machinery part is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
8487.90.00Axle Shaft Oil Seal
A heavy-duty oil seal for differential axle shafts in trucks, featuring a reinforced metal shell and a Viton lip designed for high-load applications. This seal retains lubricants and excludes contaminants without electrical components, qualifying for tariff item 8487.90.00 as a machinery part not elsewhere specified.
8487.90.00Boule Puller Seed Chuck
A precision chuck holding a seed crystal in Czochralski pullers for initiating monocrystalline growth, ensuring proper crystal orientation. This mechanical part of semiconductor crystal growing equipment contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Camshaft Oil Seal
A precision oil seal for engine camshafts, featuring a low-torsion design with a metal insert and an HNBR compound to retain valvetrain lubrication. This seal is a non-electrical machinery part, classifiable under tariff item 8487.90.00 as a general machinery part not specified elsewhere.
8487.90.00CMP Polisher Retaining Ring
A consumable retaining ring used in chemical mechanical planarization (CMP) equipment to hold the polishing pad in place on the platen edge while allowing controlled pad wear during semiconductor wafer processing. Made from engineered plastic composite, this part has no electrical connectors, insulators, coils, contacts, or other electrical features, and is not specified or included elsewhere in Chapter 84.
8487.90.00CMP Polishing Head Retaining Ring
A consumable retaining ring for chemical mechanical polishing heads that contains slurry and wafer during planarization, engineered for uniform pressure distribution. This mechanical part of semiconductor wafer polishing machinery contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Compressor Crankshaft Oil Seal
A lip-type oil seal for air compressor crankshafts, using fluorocarbon elastomer bonded to a steel shell for high-temperature operation. This seal retains oil and prevents leakage without electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Crystal Boule Grinder Wheel
An abrasive grinding wheel used in crystal grinders to shape semiconductor boules to exact diameters and grind orientation flats indicating conductivity type. This part for wafer manufacturing preparation equipment contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Crystal Boule Grinder Workholding Chuck
A precision workholding chuck used to secure semiconductor crystal boules during diameter grinding to achieve exact wafer specifications. This mechanical part ensures accurate rotation without any electrical components, making it a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Crystal Grinder Coolant Nozzle
A precision nozzle assembly directing coolant to the grinding interface in semiconductor crystal grinders, preventing thermal damage to crystal structures. This machinery part for thermal management in wafer prep equipment contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Crystal Grinder Coolant Nozzle Assembly
An adjustable nozzle assembly that delivers coolant precisely to the semiconductor crystal grinding zone to control heat and remove debris during processing. This purely mechanical fluid delivery part has no electrical features and is not specified or included elsewhere in Chapter 84, qualifying it under tariff item 8487.90.00.
8487.90.00Crystal Ingot Trimming Saw Arbor
A rotating arbor assembly designed to hold diamond saw blades for precision trimming of semiconductor crystal ingot ends prior to boule processing. This mechanical drive shaft component contains no electrical features, making it classifiable under tariff item 8487.90.00 as machinery parts not specified or included elsewhere in Chapter 84.
8487.90.00Czochralski Crystal Puller Crucible
A high-purity graphite or quartz crucible used in Czochralski crystal growers to melt semiconductor materials like silicon for producing monocrystalline boules. This specialized part of semiconductor crystal growing equipment contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Czochralski Crystal Puller Furnace Chamber
A critical replaceable part in Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. The furnace chamber provides the high-temperature controlled environment necessary for crystal growth and is a mechanical part without electrical features, not specified or included elsewhere in Chapter 84.
8487.90.00Double-Sided Wafer Lapper Ring Carrier
A thin ring carrier that holds multiple semiconductor wafers between upper and lower lapping plates for simultaneous double-sided lapping, ensuring uniform material removal across the wafer batch. This non-electrical process part is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
8487.90.00Float Zone Crystal Furnace Heater
> A mechanical support structure for the RF induction heating coil in a float zone crystal furnace, used to grow high-purity silicon crystals. It is a non-electrical part that positions and holds the coil during operation, and does not include any electrical connectors, insulators, or other electrical features. This item falls under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Float Zone Crystal Grower Quartz Crucible
A high-purity quartz crucible used in float zone crystal growers to contain molten silicon during the zone refining process for semiconductor material production. This non-electrical part maintains material purity at extreme temperatures and is not specified or included elsewhere in Chapter 84, qualifying under tariff item 8487.90.00.
8487.90.00Gearbox Input Shaft Oil Seal
A heavy-duty oil seal for tractor gearbox input shafts, with a spring-loaded lip and cast iron housing for agricultural machinery durability. This seal is a non-electrical machinery part, classifiable under tariff item 8487.90.00 as a general machinery part not specified elsewhere.
8487.90.00Hydraulic Cylinder Rod Oil Seal
A double-lip oil seal for hydraulic cylinder piston rods in construction equipment, constructed with polyurethane and a metal insert to withstand high pressures. This seal retains hydraulic fluid and excludes contaminants without electrical components, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Industrial Pump Shaft Oil Seal
A high-pressure oil seal for centrifugal pump shafts in water treatment plants, featuring a PTFE lip and stainless steel case for corrosion resistance. This seal retains lubricants in rotating equipment without electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Motor Shaft Oil Seal
A standard metric oil seal for electric motor shafts in conveyor systems, featuring an ACM rubber lip with a steel outer diameter for general industrial use. This seal lacks electrical connectors and is not a Chapter 40 rubber article, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00PTFE Lip Oil Seal
A low-friction PTFE-faced oil seal for high-speed pumps, with a metal body and energizing spring for chemical processing equipment. This composite machinery seal excludes Chapter 40 rubber and contains no electrical features, qualifying for tariff item 8487.90.00 as a machinery part not specified elsewhere.
8487.90.00Semiconductor Crystal Ingot Holder
> A mechanical fixture designed to hold semiconductor crystal ingots securely during grinding and slicing operations in wafer manufacturing equipment. It is a non-electrical part that does not contain any electrical connectors, insulators, coils, or contacts. This item is classified under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Semiconductor Wafer Polishing Pad
A polyurethane polishing pad engineered for chemical mechanical planarization (CMP) of semiconductor wafers to achieve an atomic-level surface finish. This consumable part interfaces with polishing platens in wafer processing equipment and has no electrical features, making it a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Semiconductor Wafer Slicing Saw Blade
> A diamond-impregnated blade designed for inner-diameter saws that slice ultra-thin wafers from monocrystalline semiconductor boules such as silicon. It is a non-electrical cutting tool that operates as a mechanical part of wafer preparation machinery, without any electrical features. This item is classified under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Silicon Boule Flattener Jig
A custom jig fixture for holding semiconductor silicon boules during flat grinding operations that create orientation flats indicating crystal properties. This mechanical alignment tool has no electrical features and is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
8487.90.00Wafer Edge Grinder Collet
A precision collet for securing semiconductor wafers by edge during edge grinding to remove damage layers and achieve exact geometry. This purely mechanical holding fixture has no electrical features and is not specified or included elsewhere in Chapter 84, qualifying under tariff item 8487.90.00.
8487.90.00Wafer Edge Grinding Ring
> A specialized ring tool used in wafer edge grinders to profile the edges of semiconductor wafers, preventing chipping during handling and further processing. It is a non-electrical mechanical part that does not contain any electrical connectors, insulators, coils, or contacts. This item is classified under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Wafer Grinding Spindle
> A precision spindle assembly for wafer grinders that holds grinding wheels used to back-thin semiconductor wafers to their final thickness. It is a non-electrical mechanical part, with no electrical connectors, insulators, coils, or contacts included. This item is classified under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Wafer Handling Vacuum Chuck
A precision vacuum chuck for holding semiconductor wafers during grinding, lapping, and polishing operations without mechanical clamps. This pneumatic-only design excludes electrical connectors and is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
8487.90.00Wafer Lapping Plate
A cast iron or composite lapping plate used in semiconductor wafer grinders and lappers to achieve precise flatness and thickness uniformity on wafer surfaces before fabrication. This purely mechanical surface finishing part has no electrical features and is not specified or included elsewhere in Chapter 84, qualifying under tariff item 8487.90.00.
8487.90.00Wafer Polisher Slurry Distribution Ring
A perforated ring that evenly distributes chemical slurry across the semiconductor wafer surface during polishing operations, critical for uniform material removal rates. This mechanical process part has no electrical features and is not specified or included elsewhere in Chapter 84, falling under tariff item 8487.90.00.
8487.90.00Wafer Polisher Slurry Distributor Arm
> An articulating arm that delivers chemical slurry uniformly across the polishing pad in a semiconductor wafer polisher (CMP equipment). It is a non-electrical mechanical part that ensures consistent material removal rates, with no electrical connectors, insulators, coils, or contacts. This item is classified under tariff item 8487.90.00 as a machinery part not specified or included elsewhere in Chapter 84.
8487.90.00Wafer Slicing Diamond Wire Saw Blade
A precision diamond wire saw blade designed specifically for slicing semiconductor boules into thin wafers with minimal material loss. This consumable cutting part lacks electrical features and is essential for wafer preparation, making it a machinery part not specified or included elsewhere in Chapter 84.