HTS code 8529.90.78.00 covers "Parts suitable for use solely or principally with the apparatus of headings 8524 to 8528 › Other › Flat panel screen assemblies for the apparatus of subheadings 8528.59.15, 8528.59.23, 8528.59.25, 8528.59.33, 8528.69.35, 8525.69.40, 8528.69.45, 8528.69.50, 8528.72.62, 8528.72.64, 8528.72.68 and 8528.72.72 › Other › Mounted lenses suitable for use in, and entered separately from, closed-circuit television cameras, with or without attached electrical or non-electrical closed-circuit television camera connectors, and with or without attached motors" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.