Fiber Optic Connectors and Other Components: Connectors, splices, and couplers specifically designed for optical fibers are classified under HS Code 8536. Fiber Bundle Couplers are optical components designed to connect multiple fiber bundles together, enabling the efficient transmission of light signals in fiber optic systems. Fiber Bundle. HSN Code is a hierarchical system of product Classification, you can explore the hierarchy below of HSN code 85369090, the most popular HSN codes used for Fiber Optic Coupler. There are 28 HS Codes used for import by 759 importers of Fiber Optic Coupler, Click on HS Code to Get Actual Product. Find verified buyers and sellers of Fiber Optic Coupler in 180+ countries along with their valid phone numbers and email ids. The top 3 Buyer countries for HS Code 853810 are “ INDIA ”, “ PERU ”, “ VIETNAM ”,. Fiber Optic Cables: Once optical fibers. By clicking "Find Related HS Code" button above, you can find 6 digits universal HS Code (which is valid for almost all countries in the world) and declarable codes for EU, UK, USA, Japan, China, India and Turkey (e. Search in the current year Optical fibres, optical fibre bundles and cables (excl.