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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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52 sections with “Major end item”: the first 40

  • DFARS 207.106 Additional requirements for major systems.
    …prohibited by 10 U.S.C. 3208(d)(1) from requiring offers for development or production of major systems that would enable the Government to use technical data to competitively reprocure identical items or components of the system if the ite…
  • DFARS 252.211-7003 Item Unique Identification and Valuation.
    …e designation means a combination of letters and numerals assigned by the Government to a major end item, assembly or subassembly, as appropriate, to provide a convenient means of differentiating between items having the same basic name and…
  • DFARS 252.211-7008 Use of Government-assigned Serial Numbers.
    …umerals in a fixed human-readable information format (text) conveying information about a major end item, which is provided to a contractor by the requiring activity with accompanying technical data instructions for marking the Government-a…
  • FAR 52.246-26 Reporting Nonconforming Items.
    …al organization, or an organization to which design responsibility has been transferred. Major nonconformance means a nonconformance, other than critical, that is likely to result in failure of the supplies or services, or to materially re…
  • FAR 2.101 Definitions.
    … (see 9.505-1(b)) to ensure the effective operation and maintenance of a weapon system or major system as defined in OMB Circular No. A-109 or to provide direct support of a weapon system that is essential to research, development, producti…
  • FAR 15.407-2 Make-or-buy programs.
    …nformation required from a contractor in a make-or-buy program shall be confined to those major items or work efforts that normally would require company management review of the make-or-buy decision because they are complex, costly, needed…
  • FAR 15.407-4 Should-cost review.
    …w examining the contractor's entire operation (including plant-wide overhead and selected major subcontractors) to a small-scale tailored review examining specific portions of a contractor's operation. (b) Program should-cost review. (1) A…
  • FAR 27.409 Solicitation provisions and contract clauses
    …the clause at 52.227-21, Technical Data Declaration, Revision, and Withholding of Payment—Major Systems, in contracts for major systems acquisitions or for support of major systems acquisitions. This requirement includes contracts for detai…
  • FAR 52.227-21 Technical Data Declaration, Revision, and Withholding of Payment—Major Systems.
    …t the following clause: Technical Data Declaration, Revision, and Withholding of Payment—Major Systems (MAY 2014) (a) Scope of declaration. The Contractor shall provide, in accordance with 41 U.S.C. 2302(e)(7), the following declaration w…
  • DFARS 234.7002 Policy.
    (a) Major weapon systems. (1) A DoD major weapon system may be treated as a commercial product, or acquired under procedures established for the acquisition of commercial products, only if— (i) The Secretary of Defense determines that— (A…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    … determination, and if available, a Government point of contact; (B) For subsystems of a major weapon system and components and spare parts of a major weapon system or subsystem of a major weapon system that have not previously been determ…
  • FAR 5.405 Exchange of acquisition information.
    …ese agencies or contracting activities is necessary to promote uniformity of treatment of major issues and the resolution of particularly difficult or controversial issues. The exchange and coordination of information is particularly benefi…
  • FAR 7.105 Contents of written acquisition plans.
    …urce(s), and discuss why full and open competition cannot be obtained. (ii) Identify the major components or subsystems. Discuss component breakout plans relative to these major components or subsystems. Describe how competition will be so…
  • FAR 52.246-24 Limitation of Liability—High-Value Items.
    …parate location at which the contract is being performed; or (3) A separate and complete major industrial operation connected with the performance of this contract. (c) If the Contractor carries insurance, or has established a reserve for…
  • DFARS 217.172 Multiyear contracts for supplies.
    …g-lead items that are necessary in order to meet a planned delivery schedule for complete major end items that are programmed under the contract to be acquired with funds appropriated for a subsequent fiscal year (including an economic orde…
  • FAR 46.407 Nonconforming supplies or services.
    …fficer 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 the contrac…
  • DFARS 207.171-3 Policy.
    DoD policy is to break out components of weapons systems or other major end items under certain circumstances. (a) When it is anticipated that a prime contract will be awarded without adequate price competition, and the prime contractor is…
  • DFARS 211.274-4 Policy for assignment of Government-assigned serial numbers.
    …tail numbers/hull numbers and equipment registration numbers, in human-readable format on major end items when required by law, regulation, or military operational necessity. The latest version of MIL-STD-130, Marking of U.S. Military Prope…
  • DFARS 211.274-5 Contract clauses.
    …1-7003, Item Unique Identification and Valuation; and (2) Require the contractor to mark major end items under the terms and conditions of the contract.
  • DFARS 212.102 Applicability.
    …r “commercial service” definition in FAR 2.101. See 234.7002(b) and (c) for subsystems of major weapon systems and components and spare parts of major weapon systems and of subsystems of major weapon systems; (B) Include the written determ…
  • DFARS 225.7303-3 Government-to-government agreements.
    …e, coproduction, or cooperative logistic support of a specifically defined weapon system, major end item, or support item, contains language in conflict with the provisions of this section, the language of the government-to-government agree…
  • FAR 6.302-1 Only one responsible source and no other supplies or services will satisfy agency requirements.
    …urce in the case of a follow-on contract for the continued development or production of a major system or highly specialized equipment, including major components thereof, when it is likely that award to any other source would result in— (…
  • DFARS 208.7003-2 Assignments under coordinated acquisition.
    …e only from the original source for follow-on contract); (j) Items directly related to a major system and which are design controlled by and acquired from either the system manufacturer or a manufacturer of a major subsystem; (k) Items su…
  • DFARS 215.304 Evaluation factors and significant subfactors.
    …(including machine tools) manufactured in the United States, in source selections for all major defense acquisition programs as defined in 10 U.S.C. 4201. (iii) See 247.573-2(c) for additional evaluation factors required in solicitations f…
  • DFARS 215.404-71-2 Performance risk.
    … should consider using values less than the norm. For innovative efforts that will have a major positive impact on the product or program, the contracting officer may use values above the norm. (e) Evaluation criteria for management/cost c…
  • DFARS 252.225-7009 Restriction on Acquisition of Certain Articles Containing Specialty Metals.
    …e item of this contract. High performance magnet means a permanent magnet that obtains a majority of its magnetic properties from rare earth metals (such as samarium). Produce means— (i) Atomization; (ii) Sputtering; or (iii) Final con…
  • FAR 16.203-4 Contract clauses.
    …ollowing conditions apply: (i) A fixed-price contract is contemplated. (ii) There is no major element of design engineering or development work involved. (iii) One or more identifiable labor or material cost factors are subject to change…
  • FAR 16.402-2 Performance incentives.
    … the contractor. (c) Technical performance incentives may be particularly appropriate in major systems contracts, both in development (when performance objectives are known and the fabrication of prototypes for test and evaluation is requi…
  • FAR 17.401 General.
    … from development to production and to subsequent competitive acquisition of end items or major components.
  • FAR 31.105 Construction and architect-engineer contracts.
    …equipment, that are not included in the rental rate are allowable. (B) Costs incident to major repair and overhaul of rental equipment are unallowable. (C) The allowability of charges for construction equipment rented from any division, s…
  • FAR 45.101 Definitions.
    …ractor's operation at any one plant or separate location; or (3) A separate and complete major industrial operation. Demilitarization means rendering a product unusable for, and not restorable to, the purpose for which it was designed or …
  • FAR 46.101 Definitions.
    … a contractor has fulfilled the contract obligations pertaining to quality and quantity. Major nonconformance means a nonconformance, other than critical, that is likely to result in failure of the supplies or services, or to materially re…
  • FAR 48.104-1 Determining sharing period.
    …subsection) for items requiring a prolonged production schedule (e.g., ship construction, major system acquisition), the end of the sharing period is determined according to paragraph (b) of this subsection. Agencies may prescribe sharing o…
  • FAR 48.201 Clauses for supply or service contracts.
    …contracts for items requiring an extended period for production (e.g., ship construction, major system acquisition), if agency procedures prescribe sharing of future contract savings on all units to be delivered under contracts awarded duri…
  • FAR 49.109-7 Settlement by determination.
    …dditional information, schedules, and analyses as appropriate. The TCO shall explain each major item of disallowance. The TCO need not reconsider any other action relating to the terminated portion of the contract that was ratified or appro…
  • FAR 49.206-1 Submission of settlement proposals.
    …tted, SF 1439 need be submitted only once unless, subsequent to filing the original form, major changes occur in the information submitted.
  • FAR 52.204-23 Prohibition on Contracting for Hardware, Software, and Services Developed or Provided by Kaspersky Lab Covered Entities.
    … under common control with Kaspersky Lab; or (4) Any entity of which Kaspersky Lab has a majority ownership. (b) Prohibition. Section 1634 of Division A of the National Defense Authorization Act for Fiscal Year 2018 (Pub. L. 115-91) prohi…
  • FAR 52.216-7 Allowable Cost and Payment.
    …(G) Reconciliation of books of account (i.e., General Ledger) and claimed direct costs by major cost element. (H) Schedule of direct costs by contract and subcontract and indirect expense applied at claimed rates, as well as a subsidiary s…
  • FAR 52.245-1 Government Property.
    …ractor's operation at any one plant or separate location; or (3) A separate and complete major industrial operation. Demilitarization means rendering a product unusable for, and not restorable to, the purpose for which it was designed or …
  • FAR 52.246-6 Inspection—Time-and-Material and Labor-Hour.
    … separate location where the contract is being performed; or (3) A separate and complete major industrial operation connected with the performance of this contract. Materials includes data when the contract does not include the Warranty o…

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.