{
  "summary": "The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "National lines",
      "value": "1,706",
      "source": null
    },
    {
      "label": "Subheadings",
      "value": "538",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have in HS chapter 84?",
      "answer": "The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "Subheadings with United States lines",
      "text": [
        "The United States tariff has 1,706 national lines in HS chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), under 538 subheadings in 86 headings."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under chapter 84 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "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."
      ]
    }
  ],
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    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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      "name": "United States",
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    "localDeminimis": [],
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        "liveAt": "2026-10-09T21:15:50.043Z",
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      {
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        "code": "8480",
        "description": "Molding boxes for metal foundry; mold bases; molding patterns; molds for metal (other than ingot molds), metal carbides, glass, mineral materials, rubber or plastics",
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          {
            "code": "848071",
            "description": "Moulds for rubber or plastics: Injection or compression types",
            "lines": 5
          },
          {
            "code": "848079",
            "description": "Moulds for rubber or plastics: Other",
            "lines": 4
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            "code": "848310",
            "description": "Transmission shafts (including cam shafts and crank shafts) and cranks",
            "lines": 6
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            "code": "848320",
            "description": "Bearing housings, incorporating ball or roller bearings",
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            "description": "Bearing housings, not incorporating ball or roller bearings; plain shaft bearings",
            "lines": 10
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            "code": "848340",
            "description": "Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements presented separately; ball or roller screws; gear boxes and other speed changers, including torque converters",
            "lines": 9
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          {
            "code": "848350",
            "description": "Flywheels and pulleys, including pulley blocks",
            "lines": 4
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            "code": "848360",
            "description": "Clutches and shaft couplings (including universal joints)",
            "lines": 3
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          {
            "code": "848390",
            "description": "Toothed wheels, chain sprockets and other transmission elements presented separately; parts",
            "lines": 11
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        "code": "8484",
        "description": "Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal; sets or assortments of gaskets and similar joints, dissimilar in composition, put up in pouches, envelopes or similar packings; mechanical seals",
        "subheadings": [
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            "code": "848410",
            "description": "Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal",
            "lines": 1
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          {
            "code": "848420",
            "description": "Mechanical seals",
            "lines": 1
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            "code": "848490",
            "description": "Other",
            "lines": 1
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        "code": "8485",
        "description": "Machines for additive manufacturing",
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            "code": "848510",
            "description": "By metal deposit",
            "lines": 1
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            "code": "848520",
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            "code": "848530",
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            "code": "848580",
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        "code": "8486",
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            "code": "848610",
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            "code": "848640",
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            "code": "848690",
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            "lines": 1
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        "description": "Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter",
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            "code": "848710",
            "description": "Ships' or boats' propellers and blades therefor",
            "lines": 2
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            "code": "848790",
            "description": "Other",
            "lines": 2
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      "description": "Wire, rods, tubes, plates, electrodes and similar products of base metal or of metal carbides, coated or cored with flux material, of a kind used for soldering, brazing, welding or deposition of metal or of metal carbides; wire and rods, of agglomerated base metal powder, used for metal spraying; base metal parts thereof",
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      "description": "Electric motors and generators (excluding generating sets)",
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