HSN Code is a hierarchical system of product Classification, you can explore the hierarchy below of HSN code 85447090, the most popular HSN codes used for Fiber Optic Patch Cord. There are 11 HS Codes used for import by 133 importers of Fiber Optic Patch Cord, Click on HS Code to Get Actual Product. Customs Ruling HQ 964996 - Optical Fiber Cable; Patchcords with connectors; Individually sheathed fibers. Both cable assemblies are constructed from what is known as Duplex Zipcord cable. Zipcord cable appears to be two separate cables, each containing one individually sheath. This article aims to demystify the HS Code classification for fiber optics products, providing a foundation for better understanding and compliance. The Harmonized System (HS) is an internationally standardized system of names and numbers for classifying traded products. Developed by the World. Can be used for an export declaration.