{
  "node_id": "us-fmcsa-49-cfr-393-parts-accessories-safe-operation",
  "title": "49 CFR Part 393 - Parts and Accessories Necessary for Safe Operation (FMCSA)",
  "domain": "Logistics & Supply Chain",
  "version": "1.0.0",
  "last_updated": "2026-05-25",
  "bluf": "FMCSA 49 CFR Part 393 sets the parts and accessories necessary for safe operation of commercial motor vehicles, requiring operable lamps and reflective devices, service, parking, and emergency brake systems meeting performance and antilock standards, serviceable brake components, compliant glazing and window construction, safe fuel and electrical systems, and operable hazard warning signals and bus emergency exits.",
  "paywall": {
    "status": "LOCKED",
    "unlock_cost_usd": "0.01",
    "skyfire_id": "41779894-ece2-4163-9761-b3b1b76e19b0"
  },
  "crosswalks": {
    "_available_keys": [
      "nist_framework",
      "iso_standard",
      "industry_mapping",
      "ai_overlay_2026"
    ],
    "_note": "Full crosswalk values included in vault response"
  },
  "dependencies": [
    "us-fmcsa-motor-carrier-safety-regulations-49-cfr"
  ],
  "primary_citations_count": 20
}