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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7 sections with “propulsion system components”

  • DFARS 252.225-7063 Restriction on Acquisition of Components of T-AO 205 and T-ARC Class Vessels.
    …ed Kingdom): (i) Auxiliary equipment, including pumps, for all shipboard services. (ii) Propulsion system components, including engines, reduction gears, and propellers. (iii) Shipboard cranes. (iv) Spreaders for shipboard cranes. (2) …
  • DFARS 225.7004-2 Restrictions.
    …(1) Gyrocompasses. (2) Electronic navigation chart systems. (3) Steering controls. (4) Propulsion and machinery control systems. (5) Totally enclosed lifeboats. (6) Welded shipboard anchor and mooring chain. See also 225.7004-5. (c) L…
  • DFARS 223.370-1 Scope.
    …the incorporation of materials listed in paragraph (b) of this subsection for initiation, propulsion, or detonation as an integral or component part of an explosive, an ammunition, or explosive end item or weapon system. (b) This section d…
  • DFARS 225.7001 Definitions.
    …form a major function within an end item, such as electrical power, altitude control, and propulsion.
  • DFARS 225.7004-3 Exceptions.
    … purchase of spare gyrocompasses, electronic navigation chart systems, steering controls, propulsion and machinery control systems, totally enclosed lifeboats, and welded shipboard anchor and mooring chain. (d) Components for auxiliary shi…
  • DFARS 252.223-7002 Safety Precautions for Ammunition and Explosives.
    …ollowing, unless the Contractor is using or incorporating these materials for initiation, propulsion, or detonation as an integral or component part of an explosive, an ammunition or explosive end item, or of a weapon system— (i) Inert com…
  • DFARS 252.225-7009 Restriction on Acquisition of Certain Articles Containing Specialty Metals.
    …form a major function within an end item, such as electrical power, attitude control, and propulsion. (b) Restriction. Except as provided in paragraph (c) of this clause, any specialty metals incorporated in items delivered under this cont…

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.