{
  "id": "nmfc-density-scale",
  "title": "NMFC 13-sub density scale",
  "description": "Density in pounds per cubic foot and the freight class it rates under the NMFC density scale adopted in Docket 2025-1, effective July 19, 2025.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "page": "https://palletdimensions.com/freight-class/",
  "columns": [
    {
      "key": "sub",
      "label": "Sub",
      "numeric": true
    },
    {
      "key": "minPcf",
      "label": "From",
      "unit": "lb/ft³",
      "numeric": true
    },
    {
      "key": "maxPcf",
      "label": "Under",
      "unit": "lb/ft³",
      "numeric": true
    },
    {
      "key": "freightClass",
      "label": "Class",
      "numeric": true
    }
  ],
  "rows": [
    {
      "sub": 1,
      "minPcf": 0,
      "maxPcf": 1,
      "freightClass": 400,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 2,
      "minPcf": 1,
      "maxPcf": 2,
      "freightClass": 300,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 3,
      "minPcf": 2,
      "maxPcf": 4,
      "freightClass": 250,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 4,
      "minPcf": 4,
      "maxPcf": 6,
      "freightClass": 175,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 5,
      "minPcf": 6,
      "maxPcf": 8,
      "freightClass": 125,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 6,
      "minPcf": 8,
      "maxPcf": 10,
      "freightClass": 100,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 7,
      "minPcf": 10,
      "maxPcf": 12,
      "freightClass": 92.5,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 8,
      "minPcf": 12,
      "maxPcf": 15,
      "freightClass": 85,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 9,
      "minPcf": 15,
      "maxPcf": 22.5,
      "freightClass": 70,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 10,
      "minPcf": 22.5,
      "maxPcf": 30,
      "freightClass": 65,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014"
      ],
      "verified": true
    },
    {
      "sub": 11,
      "minPcf": 30,
      "maxPcf": 35,
      "freightClass": 60,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014",
        "nmfta-faq-13-sub"
      ],
      "verified": true
    },
    {
      "sub": 12,
      "minPcf": 35,
      "maxPcf": 50,
      "freightClass": 55,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014",
        "nmfta-faq-13-sub"
      ],
      "verified": true
    },
    {
      "sub": 13,
      "minPcf": 50,
      "maxPcf": null,
      "freightClass": 50,
      "sources": [
        "nmfta-bulletin-1371",
        "nmfta-decoding-density",
        "fedex-nmfc-flyer",
        "averitt-nmfc",
        "pittohio-1014",
        "nmfta-faq-13-sub"
      ],
      "verified": true
    }
  ],
  "sources": [
    {
      "id": "nmfta-bulletin-1371",
      "title": "Disposition Bulletin 1371, Docket 2025-1",
      "publisher": "NMFTA",
      "url": "https://nmfta.org/wp-content/media/2025/03/Disposition-Bulletin-1371-1.pdf",
      "kind": "standards-body",
      "official": true,
      "checked": "2026-11-14",
      "note": "Dated March 14, 2025; prints the 13-sub density scale inside each amended item, effective July 19, 2025."
    },
    {
      "id": "nmfta-decoding-density",
      "title": "Decoding density: the freight factor you can’t afford to overlook",
      "publisher": "NMFTA",
      "url": "https://nmfta.org/decoding-density-the-freight-factor-you-cant-afford-to-overlook/",
      "kind": "standards-body",
      "official": true,
      "checked": "2026-11-14"
    },
    {
      "id": "fedex-nmfc-flyer",
      "title": "NMFC changes (flyer, May 2025)",
      "publisher": "FedEx Freight",
      "url": "https://www.fedex.com/content/dam/fedex/us-united-states/freight/upload/NMFC_changes_5_2.pdf",
      "kind": "carrier",
      "official": false,
      "checked": "2026-11-14"
    },
    {
      "id": "averitt-nmfc",
      "title": "NMFC changes",
      "publisher": "Averitt Express",
      "url": "https://www.averitt.com/nmfc",
      "kind": "carrier",
      "official": false,
      "checked": "2026-11-14"
    },
    {
      "id": "pittohio-1014",
      "title": "Rules tariff item 1014",
      "publisher": "Pitt Ohio",
      "url": "https://pittohio.com/myPittOhio/RulesTariff/1014",
      "kind": "carrier",
      "official": false,
      "checked": "2026-11-14"
    },
    {
      "id": "nmfta-faq-13-sub",
      "title": "NMFC changes FAQ: density and class breaks for the new 13-sub structure",
      "publisher": "NMFTA Help Center",
      "url": "https://help.nmfta.org/hc/en-us/articles/38932132157979-NMFC-Changes-FAQ-Can-you-share-with-us-the-density-and-class-breaks-for-the-new-13-sub-structure",
      "kind": "standards-body",
      "official": true,
      "checked": "2026-11-14"
    }
  ]
}