48 CFR · Federal Acquisition Regulation and Defense supplement

FAR and DFARS navigator

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.

Ask the FAR

Try: · · ·

Clear

6 sections with “Critical nonconformance”

  • FAR 52.246-26 Reporting Nonconforming Items.
    …fication of grade, serial number, lot number, date code, or performance characteristics. Critical item means an item, the failure of which is likely to result in hazardous or unsafe conditions for individuals using, maintaining, or dependi…
  • FAR 46.101 Definitions.
    …fication of grade, serial number, lot number, date code, or performance characteristics. Critical item means an item, the failure of which is likely to result in hazardous or unsafe conditions for individuals using, maintaining, or dependi…
  • FAR 46.407 Nonconforming supplies or services.
    …ontracting officer ordinarily must reject supplies or services when the nonconformance is critical or major or the supplies or services are otherwise incomplete. However, there may be circumstances (e.g., reasons of economy or urgency) when…
  • DFARS 252.246-7003 Notification of Potential Safety Issues.
    …ng circumstances, supports a reasonable belief that an event has occurred or will occur. Critical safety item means a part, subassembly, assembly, subsystem, installation equipment, or support equipment for a system that contains a charact…
  • DFARS 246.407 Nonconforming supplies or services.
    …l activity is the approval authority for acceptance of any nonconforming aviation or ship critical safety items or nonconforming modification, repair, or overhaul of such items (see 209.270). Authority for acceptance of minor nonconformance…
  • FAR 46.202-4 Higher-level contract quality requirements.
    …higher-level quality standards is necessary in solicitations and contracts for complex or critical items (see 46.203) or when the technical requirements of the contract require— (1) Control of such things as design, work operations, in-pro…

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.