{
  "summary": "HS code 5402.51 covers other yarn, single, with a twist exceeding 50 turns per metre, of nylon or other polyamides. It sits in heading 54.02 (synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex) in chapter 54 (man-made filaments; strip and the like of man-made textile materials). Other goods of heading 54.02 are classified under 5402.11 (high tenacity yarn of nylon or other polyamides, whether or not textured, of aramids), 5402.19 (high tenacity yarn of nylon or other polyamides, whether or not textured, other), 5402.20 (high tenacity yarn of polyesters, whether or not textured), 5402.31 (textured yarn, of nylon or other polyamides, measuring per single yarn not more than 50 tex) or 17 others. National tariff lines under 5402.51 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "5402.51",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Other yarn, single, with a twist exceeding 50 turns per metre, of nylon or other polyamides",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "54.02: Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/5402"
    },
    {
      "label": "Chapter",
      "value": "54: Man-made filaments; strip and the like of man-made textile materials",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/54"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/540251"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 5402.51 cover?",
      "answer": "HS code 5402.51 covers other yarn, single, with a twist exceeding 50 turns per metre, of nylon or other polyamides."
    },
    {
      "question": "Which heading and chapter is HS code 5402.51 in?",
      "answer": "HS code 5402.51 is in heading 54.02 (synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex) in chapter 54 (man-made filaments; strip and the like of man-made textile materials)."
    },
    {
      "question": "Where are goods of heading 54.02 classified when 5402.51 doesn’t fit?",
      "answer": "Other goods of heading 54.02 are classified under 5402.11 (high tenacity yarn of nylon or other polyamides, whether or not textured, of aramids), 5402.19 (high tenacity yarn of nylon or other polyamides, whether or not textured, other), 5402.20 (high tenacity yarn of polyesters, whether or not textured), 5402.31 (textured yarn, of nylon or other polyamides, measuring per single yarn not more than 50 tex) or 17 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 5402.51?",
      "answer": "National tariff lines under 5402.51 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 5402.51 covers other yarn, single, with a twist exceeding 50 turns per metre, of nylon or other polyamides.",
        "The legal text of the subheading is “Other yarn, single, with a twist exceeding 50 turns per metre: Of nylon or other polyamides”, read under “Other yarn, single, with a twist exceeding 50 turns per metre”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 54.02 are classified under 5402.11 (high tenacity yarn of nylon or other polyamides, whether or not textured, of aramids), 5402.19 (high tenacity yarn of nylon or other polyamides, whether or not textured, other), 5402.20 (high tenacity yarn of polyesters, whether or not textured), 5402.31 (textured yarn, of nylon or other polyamides, measuring per single yarn not more than 50 tex) or 17 others."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "5402.51 is a six-digit subheading. Its first two digits, 54, are the chapter; the first four, 5402, are heading 54.02; the last two, 51, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 5402.51 are live on border.bot for the United States (1 line, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 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."
      ]
    }
  ],
  "data": {
    "type": "hs-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "54",
      "description": "Man-made filaments; strip and the like of man-made textile materials"
    },
    "heading": {
      "code": "5402",
      "description": "Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex"
    },
    "subheading": {
      "code": "540251",
      "description": "Other yarn, single, with a twist exceeding 50 turns per metre: Of nylon or other polyamides",
      "levels": [
        "Other yarn, single, with a twist exceeding 50 turns per metre",
        "Of nylon or other polyamides"
      ],
      "english": null,
      "keywords": []
    },
    "siblings": [
      {
        "code": "540211",
        "description": "High tenacity yarn of nylon or other polyamides, whether or not textured: Of aramids"
      },
      {
        "code": "540219",
        "description": "High tenacity yarn of nylon or other polyamides, whether or not textured: Other"
      },
      {
        "code": "540220",
        "description": "High tenacity yarn of polyesters, whether or not textured"
      },
      {
        "code": "540231",
        "description": "Textured yarn: Of nylon or other polyamides, measuring per single yarn not more than 50 tex"
      },
      {
        "code": "540232",
        "description": "Textured yarn: Of nylon or other polyamides, measuring per single yarn more than 50 tex"
      },
      {
        "code": "540233",
        "description": "Textured yarn: Of polyesters"
      },
      {
        "code": "540234",
        "description": "Textured yarn: Of polypropylene"
      },
      {
        "code": "540239",
        "description": "Textured yarn: Other"
      },
      {
        "code": "540244",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Elastomeric"
      },
      {
        "code": "540245",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other, of nylon or other polyamides"
      },
      {
        "code": "540246",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other, of polyesters, partially oriented"
      },
      {
        "code": "540247",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other, of polyesters"
      },
      {
        "code": "540248",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other, of polypropylene"
      },
      {
        "code": "540249",
        "description": "Other yarn, single, untwisted or with a twist not exceeding 50 turns per metre: Other"
      },
      {
        "code": "540252",
        "description": "Other yarn, single, with a twist exceeding 50 turns per metre: Of polyesters"
      },
      {
        "code": "540253",
        "description": "Other yarn, single, with a twist exceeding 50 turns per metre: Of polypropylene"
      },
      {
        "code": "540259",
        "description": "Other yarn, single, with a twist exceeding 50 turns per metre: Other"
      },
      {
        "code": "540261",
        "description": "Other yarn, multiple (folded) or cabled: Of nylon or other polyamides"
      },
      {
        "code": "540262",
        "description": "Other yarn, multiple (folded) or cabled: Of polyesters"
      },
      {
        "code": "540263",
        "description": "Other yarn, multiple (folded) or cabled: Of polypropylene"
      },
      {
        "code": "540269",
        "description": "Other yarn, multiple (folded) or cabled: Other"
      }
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      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1,
        "members": 1
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    ],
    "provenance": [
      {
        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
        "origin": "upload",
        "sourceUrls": []
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  "code": "540251",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "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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