48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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1 section with “Primary surfaces”

  • DFARS 252.236-7005 Airfield safety precautions.
    …rescribed in 236.570(b)(3), use the following clause. At some airfields, the width of the primary surface is 1,500 feet (750 feet on each side of the runway centerline). In such instances, substitute the proper width in the clause. Airfiel…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.