# United States tariff line 8543.90.35.00: Other > In the United States tariff, line 8543.90.35.00 covers parts, assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8543.90 in heading 85.43 (chapter 85). Source: https://border.bot/countries/united-states/hs-codes/8543903500 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8543.90](https://border.bot/countries/united-states/hs-codes/854390) / [8543.90.35.00](https://border.bot/countries/united-states/hs-codes/8543903500) ## Key facts - Tariff line: 8543.90.35.00 - Covers: Parts, assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8543.90](https://border.bot/hs-codes/854390) ## What this line covers In the United States tariff, line 8543.90.35.00 covers parts, assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together. Its legal text is “Other”, read under “Parts” and “Assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together”. ## How it is structured It falls under HS subheading 8543.90 in heading 85.43 (chapter 85). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles - Heading 85.43: Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof - Subheading 8543.90: Parts - Within the subheading: Assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together - Line 8543.90.35.00: Other ## Duty Goods under this line enter free of general (MFN) duty. ## In other countries No other national tariff on border.bot has live lines under 8543.90 yet. - [The Harmonized System text for 8543.90](https://border.bot/hs-codes/854390) ## Other lines under 8543.90 - [8543.90.12.00](https://border.bot/countries/united-states/hs-codes/8543901200) Of physical vapor deposition apparatus of subheading 8543.70 - [8543.90.15.00](https://border.bot/countries/united-states/hs-codes/8543901500) Printed circuit assemblies - [8543.90.65.00](https://border.bot/countries/united-states/hs-codes/8543906500) Of flat panel displays other than for articles of heading 8528, except for subheadings 8528.52 or 8528.62 - [8543.90.68.00](https://border.bot/countries/united-states/hs-codes/8543906800) Other - [8543.90.85.00](https://border.bot/countries/united-states/hs-codes/8543908500) Of flat panel displays other than for articles of heading 8528, except for subheadings 8528.52 or 8528.62 - [8543.90.88.45](https://border.bot/countries/united-states/hs-codes/8543908845) Of particle accelerators - [8543.90.88.65](https://border.bot/countries/united-states/hs-codes/8543908865) Of electronic cigarettes and similar personal electric vaporizing devices - [8543.90.88.85](https://border.bot/countries/united-states/hs-codes/8543908885) Other - Previous line: [8543.90.15.00](https://border.bot/countries/united-states/hs-codes/8543901500) Printed circuit assemblies - Next line: [8543.90.65.00](https://border.bot/countries/united-states/hs-codes/8543906500) Of flat panel displays other than for articles of heading 8528, except for subheadings 8528.52 or 8528.62 ## Frequently asked questions ### What does tariff line 8543.90.35.00 cover in the United States tariff? In the United States tariff, line 8543.90.35.00 covers parts, assemblies and subassemblies for flight data recorders, consisting of two or more parts or pieces fastened or joined together. ### What is the general (MFN) duty on 8543.90.35.00 in the United States? Goods under this line enter free of general (MFN) duty. ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8543903500.json