Parts and accessories
Lasers, other than laser diodes; other optical appliances and instruments, not specified or included elsewhere in this Chapter. > Parts and accessories > Parts and accessories
Duty Rate (from China)
Subheadings
Products classified under Tariff item 9013.90
AR-15 Scope Base Rail
A one-piece Picatinny rail mount machined specifically for AR-15 flattop receivers, designed to hold tactical rifle scopes. This mount ensures secure attachment and proper alignment of telescopic sights on firearms, making it a dedicated accessory for rifle scopes.
9013.90.00Beam Splitter Holder
A precision kinematic mount designed for holding dichroic beam splitters in laser optical paths. This holder is a dedicated accessory for unspecified optical appliances, ensuring precise positioning of optical components in laser systems.
9013.90.00Extended Scope Ring Caps and Covers
Flip-open caps made of neoprene and aluminum, designed to protect the objective and eyepiece lenses of rifle scopes during field use. These caps are protective accessories that prevent damage to the optical surfaces of telescopic sights, ensuring their proper function.
9013.90.00Fabry-Perot Interferometer Spacer
A precision invar spacer tube that maintains cavity length in Fabry-Perot laser spectrum analyzers. This spacer is a critical part of the interferometer, ensuring accurate wavelength measurement in laser systems.
9013.90.00Fiber Collimator Lens Holder
An adjustable holder for collimating lenses in fiber-coupled laser systems. This holder ensures precise alignment of the lens to achieve proper beam collimation, making it a dedicated accessory for laser optical setups.
9013.90.00Fiber Laser Collimator Lens
An achromatic collimating lens optimized for 20-100W fiber lasers, converting divergent beams to parallel output. It is used in handheld welding and cleaning lasers. This lens is classified under tariff item 9013.90.00 as a part for laser appliances.
9013.90.00Galvanometer Scanner Head
A compact galvanometer-based scanner head used in CO2 laser marking systems to direct laser beams with high-speed mirror deflection. It enables precise beam positioning for engraving. This scanner head is classified under tariff item 9013.90.00.
9013.90.00Galvanometer Scanner Mirror Mount
A specialized holder for galvanometer-driven scanning mirrors in laser marking systems. This mount ensures precise positioning of the mirrors, enabling high-speed beam deflection for laser processing applications.
9013.90.00Holography Spatial Filter Assembly
A pinhole and lens assembly used for cleaning laser beams in holographic recording systems. This spatial filter is a dedicated accessory for unspecified optical instruments, ensuring beam quality in holography.
9013.90.00Illuminated Reticle Adjustment Tool Kit
A kit containing specialized torque wrenches and adjustment tools designed for rifle scope turrets and illuminated reticles. These tools are dedicated accessories for adjusting and maintaining telescopic sights, ensuring precise calibration.
9013.90.00Interferometer Mirror Mount
A kinematic mount with piezo adjustment designed to hold reference mirrors in laser interferometers. It provides precise angular positioning for optical alignment in measurement systems. As a dedicated part for optical appliances, it is classified under tariff item 9013.90.00.
9013.90.00Interferometer Mirror Set for Lasers
A pair of dielectric-coated mirrors for Fabry-Perot interferometers in tunable laser systems. They enable wavelength stabilization in telecommunications lasers. This mirror set is classified under tariff item 9013.90.00.
9013.90.00Laser Alignment Mount
An adjustable mount engineered for securing and aligning industrial lasers in optical setups. It ensures stable positioning for laser systems used in manufacturing. This item is classified as a part for lasers and other optical appliances under tariff item 9013.90.00.
9013.90.00Laser Beam Expander Module
An adjustable optical module that expands collimated laser beams for applications in laser welding and material processing. It features galvo-protection for high-power systems. This module is classified under tariff item 9013.90.00.
9013.90.00Laser Beam Profiler Sensor Mount
An XYZ translation stage designed to position CCD sensors in laser beam profiling instruments. It enables precise sensor alignment for beam analysis. This accessory is classified under tariff item 9013.90.00 as a part for optical appliances.
9013.90.00Laser Beam Sampler Plate
A wedge-shaped window that samples 4% of a laser beam for power monitoring while transmitting 96%. It is used in excimer and fiber laser diagnostics. This beam sampler is classified under tariff item 9013.90.00.
9013.90.00Laser Deskew Prism Assembly
This is an anamorphic prism pair that corrects astigmatism in diode laser beams, used in bar-code scanning and printing systems. It is a part or accessory for laser appliances, falling under the parts and accessories tariff item for lasers and other optical instruments.
9013.90.00Laser Diode Mount Heatsink
This is a TEC-cooled copper heatsink mount designed for high-power laser diodes in marking and pumping applications. It is an accessory for laser appliances, providing thermal management, and is classified under the parts and accessories item for lasers.
9013.90.00Laser Lens Assembly
This precision optical lens assembly is designed for industrial laser cutting machines, with anti-reflective coatings for high-power beam transmission. It is a part for laser appliances, classified under the parts and accessories item for lasers.
9013.90.00Laser Line Generator Lens Barrel
A cylindrical lens housing with line width adjustment for machine vision laser line projectors. It shapes laser light into structured patterns for inspection systems. This optical part is classified under tariff item 9013.90.00.
9013.90.00Laser Pattern Mask Projector Lens
This projection lens images photomasks onto workpieces in laser direct imaging systems for PCB manufacturing. It is a part for laser imaging appliances, classified under the parts and accessories item for lasers.
9013.90.00Laser Power Monitor Photodiode
This InGaAs photodiode head monitors laser output power in fiber systems, calibrated for 400-1700nm. It is an accessory for laser appliances, excluding the diodes themselves, and falls under the parts and accessories item.
9013.90.00Laser Safety Shutter Assembly
This electromechanical shutter blocks laser beams during interlocks, with fast-response galvo mirrors for industrial CO2 lasers. It is a safety accessory for laser appliances, classified under the parts and accessories item.
9013.90.00Laser Safety Shutter Mechanism
A fast electromechanical shutter for blocking laser beams during alignment procedures. It enhances safety by preventing accidental exposure. This safety accessory is classified under tariff item 9013.90.00 as a part for laser appliances.
9013.90.00Laser Welder Focusing Head
This focusing optic assembly with protective window and collimation adjustment is for handheld fiber laser welders. It is an accessory for industrial laser appliances, classified under the parts and accessories item.
9013.90.00Leupold Mark 4 Rifle Scope Mount
A precision-machined aluminum mount designed specifically for attaching Leupold Mark 4 telescopic sights to rifles. This mount ensures perfect alignment and stability during shooting, making it an integral part of the rifle scope system.
9013.90.00Nightforce X-Treme Duty Ultralite Scope Mount
A one-piece, ultralight mount for tactical rifle scopes, featuring cantilever forward placement for optimal eye relief. This mount is designed for extreme durability and is specifically made for attaching telescopic sights to rifles.
9013.90.00Optical Alignment Jig for Lasers
This precision jig with micrometer adjustments aligns laser optics in diode and fiber laser heads during assembly. It is an accessory for laser instruments, classified under the parts and accessories item.
9013.90.00Optical Bench Rail System
A precision anodized aluminum rail with metric scale for positioning laser optics components. It provides a stable base for optical setups in laboratories. This positioning accessory is classified under tariff item 9013.90.00.
9013.90.00Optical Breadboard Platform
A vibration-isolated aluminum platform for assembling laser experiment setups and optical benches. It provides a stable surface for precision optical work. This accessory is classified under tariff item 9013.90.00.
9013.90.00Optical Tweezer Trap Objective Adapter
A high-NA objective lens turret adapter for laser optical trapping microscopes. It allows switching between objective lenses in optical tweezer systems. This adapter is classified under tariff item 9013.90.00 as a part for optical instruments.
9013.90.00Polarization Beam Splitter Cube for Lasers
This high-power polarization beam splitter cube separates S and P polarization components in DPSS laser systems. It is an optical component for laser appliances, classified under the parts and accessories item.
9013.90.00Polarizing Filter Rotator
A manual rotation stage for Glan-Thompson polarizing prisms in laser setups. It enables precise angular adjustment of polarization elements. This specialized accessory is classified under tariff item 9013.90.00.
9013.90.00Q-Switch Driver Mount
This RF driver mount for acousto-optic Q-switches in pulsed Nd:YAG lasers provides alignment and thermal management. It is a part for laser appliances, classified under the parts and accessories item.
9013.90.00Quick Detach Scope Mount for Lever Action Rifles
A quick-detach scope mount with a lever system designed for Winchester/Marlin lever action rifles, featuring see-thru capability for iron sights. This mount allows for rapid attachment and removal of telescopic sights while maintaining the use of iron sights.
9013.90.00Rifle Scope Bubble Level Indicator
An anti-cant bubble level that mounts on a scope tube to ensure the rifle is level before zeroing. This dedicated accessory for rifle telescopic sights helps shooters maintain accuracy by preventing cant errors.
9013.90.00Schlieren Imaging Lens Adapter
A specialized adapter ring for knife-edge lenses in schlieren flow visualization systems. It enables precise mounting of optical components for fluid dynamics studies. This adapter is classified under tariff item 9013.90.00.
9013.90.00Scope Leveling Kit for Rifle Optics
A kit containing precision leveling bars and bubble levels designed to ensure rifle scope reticles are perfectly canted relative to the rifle bore. This kit is a dedicated accessory for the installation and alignment of telescopic sights.
9013.90.00Vortex Precision Matched Rings for Rifle Scopes
Matched ring sets from Vortex Optics that secure telescopic sights to Picatinny rails on rifles, featuring a cantilever design for optimal height. These rings are specifically designed for mounting rifle scopes, ensuring stability and alignment.
9013.90.00Warne Maxima Steel Scope Rings
Steel scope rings from Warne's Maxima series, featuring a vertical split design for easy installation on rifle scope bases. These rings are dedicated to securing telescopic sights to rifles, providing a stable mounting solution.