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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8 sections with “NSN”

  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …on on production processes and material differences); and (3) The national stock number (NSN) for the comparable commercial product, if one is assigned, and the NSN for the subsystem, component, or spare part, if one is assigned; or (4) I…
  • DFARS 204.7104-1 Criteria for establishing.
    …04.7104-1(a)(3); (ii) Are to be packaged in different sizes, each represented by its own NSN; (iii) Have collateral costs, such as packaging costs, but those costs are not a part of the unit price of the contract line item; (iv) Have dif…
  • DFARS 234.7002 Policy.
    …oduction processes and material differences); and (3) Provide the national stock number (NSN) for the comparable commercial product, if one is assigned, and the NSN for the subsystem, component, or spare part, if one is assigned; or (4) I…
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    …tract, shall enable recording of the following data elements: (1) National stock number (NSN). If an NSN is not available, use either the combination of the manufacturer's CAGE code and part number, or model number. (2) CAGE code on the a…
  • FAR 4.1003 Establishing line items.
    …is separately identifiable if it has its own identification (e.g., national stock number (NSN), item description, manufacturer's part number). (2) Services are separately identifiable if they have no more than one statement of work or perf…
  • FAR 5.207 Preparation and transmittal of synopses.
    … should be requested including the following, as appropriate: (1) National Stock Number (NSN) if assigned. (2) Specification and whether an offeror, its product, or service must meet a qualification requirement in order to be eligible for…
  • DFARS 204.7103-1 Criteria for establishing.
    …es are separately identifiable if they have no more than one— (A) National stock number (NSN); (B) Item description; or (C) Manufacturer's part number. (ii) Services are separately identifiable if they have no more than one— (A) Scope …
  • DFARS 252.208-7000 Intent to furnish precious metals as Government-furnished material.
    …for any first article or production sample), and shall specify the national stock number (NSN) and nomenclature, if known, of the deliverable item requiring precious metals. *If platinum or palladium, specify whether sponge or granules are…

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.