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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26 sections with “national stock number”
- FAR 2.101 Definitions.… protected against unauthorized disclosure according to Executive Order 12958, Classified National Security Information, April 17, 1995, or classified in accordance with the Atomic Energy Act of 1954. Cognizant Federal agency means the Fed…
- FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.…marginalized populations of Sudan; (4) Consist of providing goods or services to an internationally recognized peacekeeping force or humanitarian organization; (5) Consist of providing goods or services that are used only to promote healt…
- DFARS 252.245-7005 Management and Reporting of Government Property.…hine-readable data elements to distinguish an item from all other like and unlike items. National stock number means a 13-digit stock number used to identify items of supply. It consists of a four-digit Federal Supply Code and a nine-digit…
- FAR 52.245-1 Government Property.…roperty Administrator, contain the following: (1) The name, part number and description, National Stock Number (if needed for additional item identification tracking and/or disposition), and other data elements as necessary and required in…
- DFARS 234.7002 Policy.… commercial product as defined in FAR 2.101; and (B) Such treatment is necessary to meet national security objectives; and (ii) The congressional defense committees are notified at least 30 days before such treatment or acquisition occurs…
- DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.… minor (e.g., information 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…
- FAR 4.1003 Establishing line items.…ifiable. (1) A supply 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 st…
- FAR 5.207 Preparation and transmittal of synopses.…opy of the solicitation 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 o…
- FAR 8.402 General.…es. (2) GSA Advantage! enables ordering activities to search specific information (i.e., national stock number, part number, common name), review delivery options, place orders directly with Schedule contractors (except see 8.405-6) and pa…
- FAR 8.406-1 Order placement.… Discount terms. (6) Delivery time or period of performance. (7) Special item number or national stock number. (8) Line item or subline item. (9) A statement of work for services, when required, or a brief, complete description of each …
- FAR 8.712 Specification changes.…ment before action is taken, particularly when it involves— (1) Changes that require new national stock numbers or item designations; (2) Deleting items from the supply system; (3) Standardization; or (4) Developing new items to replace…
- FAR 14.201-2 Part I—The Schedule.…d prices.Include a brief description of the supplies or services; e.g., line item number, national stock number/part number if applicable, title or name identifying the supplies or services, and quantities (see part 11). The SF 33 and SF 14…
- FAR 15.204-2 Part I—The Schedule.…prices/costs. Include a brief description of the supplies or services; e.g., item number, national stock number/part number if applicable, nouns, nomenclature, and quantities. (This includes incidental deliverables such as manuals and repor…
- FAR 38.201 Coordination requirements.…raphical coverage of existing schedules; or (4) Adding or deleting special item numbers, national stock numbers, or revising their description. (b) Requests should be forwarded to the General Services Administration, Federal Supply Servic…
- FAR 45.201 Solicitation.…at a minimum— (1) The name, part number and description, manufacturer, model number, and National Stock Number (if needed for additional item identification tracking and management, and disposition); (2) Quantity/unit of measure; (3) Uni…
- FAR 52.213-1 Fast Payment Procedure.…n the invoice: (A) Shipment number. (B) Mode of shipment. (C) At line item level— (1) National stock number and/or manufacturer's part number; (2) Unit of measure; (3) Ship-To Point; (4) Mark-For Point, if in the contract; and (5) F…
- FAR 52.223-3 Hazardous Material Identification and Material Safety Data.…al shall be properly identified and include any applicable identification number, such as National Stock Number or Special Item Number. This information shall also be included on the Material Safety Data Sheet submitted under this contract.…
- DFARS 204.7103-1 Criteria for establishing.…e contract. (i) Supplies 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 mor…
- DFARS 217.7302 Procedures.…l manufacturer or producer, or all the contractor's sources for the item; (2) The item's national stock number (if there is one); (3) The item identification number used by— (i) The actual manufacturer or producer of the item; or (ii) E…
- DFARS 252.208-7000 Intent to furnish precious metals as Government-furnished material.…ecious metals required 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…
- DFARS 252.217-7026 Identification of Sources of Supply.… (1) List each deliverable item of supply and item of technical data. (2) If there is no national stock number, list “none”.; (3) Use “Y” if the item is a commercial product or commercial service; otherwise use “N.” If “Y” is listed, the …
- DFARS 252.246-7008 Sources of Electronic Parts.…tract manufacturer. (b) Selecting suppliers. In accordance with section 818(c)(3) of the National Defense Authorization Act for Fiscal Year 2012 (Pub. L. 112-81), as amended by section 817 of the National Defense Authorization Act for Fisc…
- FAR 31.205-6 Compensation for personal services.… U.S.C. 3744(a)(13) and 41 U.S.C. 4304(a)(13), the costs of severance payments to foreign nationals employed under a service contract performed outside the United States are unallowable to the extent that such payments exceed amounts typica…
- FAR 50.103-4 Facts and evidence.…When a request involves possible amendment without consideration, and essentiality to the national defense is a factor (50.103-2(a)(1)), the contractor may be asked to furnish, in addition to the facts and evidence listed in paragraph (a) o…
- FAR 52.232-12 Advance Payments.…eral Deposit Insurance Corporation Act (12 U.S.C. 1811), or a credit union insured by the National Credit Union Administration. (h) Lien on Special Bank Account. The Government shall have a lien upon any balance in the special account para…
- DFARS 208.7003-2 Assignments under coordinated acquisition.…t subject to the special testing procedures. (h) Items to be acquired under FAR 6.302-6 (national security requires limitation of sources); (i) Items to be acquired under FAR 6.302-1 (supplies available only from the original source for f…
FAR (chapter 1)
- Part 1 Federal Acquisition Regulations System 58 sections
- Part 2 Definitions of Words and Terms 3 sections
- Part 3 Improper Business Practices and Personal Conflicts of Interest 98 sections
- Part 4 Administrative and Information Matters 116 sections
- Part 5 Publicizing Contract Actions 34 sections
- Part 6 Competition Requirements 34 sections
- Part 7 Acquisition Planning 34 sections
- Part 8 Required Sources of Supplies and Services 67 sections
- Part 9 Contractor Qualifications 106 sections
- Part 10 Market Research 4 sections
- Part 11 Describing Agency Needs 33 sections
- Part 12 Acquisition of Commercial Products and Commercial Services 38 sections
- Part 13 Simplified Acquisition Procedures 49 sections
- Part 14 Sealed Bidding 82 sections
- Part 15 Contracting by Negotiation 81 sections
- Part 16 Types of Contracts 74 sections
- Part 17 Special Contracting Methods 50 sections
- Part 18 Emergency Acquisitions 34 sections
- Part 19 Small Business Programs 126 sections
- Part 22 Application of Labor Laws to Government Acquisitions 205 sections
- Part 23 Environment, Sustainable Acquisition, and Material Safety 38 sections
- Part 24 Protection of Privacy and Freedom of Information 10 sections
- Part 25 Foreign Acquisition 81 sections
- Part 26 Other Socioeconomic Programs 36 sections
- Part 27 Patents, Data, and Copyrights 59 sections
- Part 28 Bonds and Insurance 61 sections
- Part 29 Taxes 23 sections
- Part 30 Cost Accounting Standards Administration 30 sections
- Part 31 Contract Cost Principles and Procedures 87 sections
- Part 32 Contract Financing 175 sections
- Part 33 Protests, Disputes, and Appeals 23 sections
- Part 34 Major System Acquisition 20 sections
- Part 35 Research and Development Contracting 25 sections
- Part 36 Construction and Architect-engineer Contracts 81 sections
- Part 37 Service Contracting 46 sections
- Part 38 Federal Supply Schedule Contracting 3 sections
- Part 39 Acquisition of Information Technology 14 sections
- Part 40 Information Security and Supply Chain Security 12 sections
- Part 41 Acquisition of Utility Services 17 sections
- Part 42 Contract Administration and Audit Services 84 sections
- Part 43 Contract Modifications 14 sections
- Part 44 Subcontracting Policies and Procedures 24 sections
- Part 45 Government Property 33 sections
- Part 46 Quality Assurance 60 sections
- Part 47 Transportation 106 sections
- Part 48 Value Engineering 13 sections
- Part 49 Termination of Contracts 108 sections
- Part 50 Extraordinary Contractual Actions and the Safety Act 34 sections
- Part 51 Use of Government Sources by Contractors 15 sections
- Part 52 Solicitation Provisions and Contract Clauses 680 sections
- Part 53 Forms 61 sections
DFARS (chapter 2, Defense)
- Part 201 Federal Acquisition Regulations System 24 sections
- Part 202 Definitions of Words and Terms 1 sections
- Part 203 Improper Business Practices and Personal Conflicts of Interest 28 sections
- Part 204 Administrative and Information Matters 76 sections
- Part 205 Publicizing Contract Actions 11 sections
- Part 206 Competition Requirements 20 sections
- Part 207 Acquisition Planning 22 sections
- Part 208 Required Sources of Supplies and Services 31 sections
- Part 209 Contractor Qualifications 55 sections
- Part 210 Market Research 2 sections
- Part 211 Describing Agency Needs 22 sections
- Part 212 Acquisition of Commercial Products and Commercial Services 24 sections
- Part 213 Simplified Acquisition Procedures 23 sections
- Part 214 Sealed Bidding 14 sections
- Part 215 Contracting by Negotiation 66 sections
- Part 216 Types of Contracts 36 sections
- Part 217 Special Contracting Methods 64 sections
- Part 218 Emergency Acquisitions 7 sections
- Part 219 Small Business Programs 47 sections
- Part 222 Application of Labor Laws to Government Acquisitions 56 sections
- Part 223 Environment, Sustainable Acquisition, and Material Safety 34 sections
- Part 224 Protection of Privacy and Freedom of Information 2 sections
- Part 225 Foreign Acquisition 251 sections
- Part 226 Other Socioeconomic Programs 14 sections
- Part 227 Patents, Data, and Copyrights 99 sections
- Part 228 Bonds and Insurance 17 sections
- Part 229 Taxes 9 sections
- Part 230 Cost Accounting Standards Administration 2 sections
- Part 231 Contract Cost Principles and Procedures 13 sections
- Part 232 Contract Financing 74 sections
- Part 233 Protests, Disputes, and Appeals 8 sections
- Part 234 Major System Acquisition 13 sections
- Part 235 Research and Development Contracting 16 sections
- Part 236 Construction and Architect-engineer Contracts 25 sections
- Part 237 Service Contracting 67 sections
- Part 239 Acquisition of Information Technology 38 sections
- Part 241 Acquisition of Utility Services 8 sections
- Part 242 Contract Administration and Audit Services 40 sections
- Part 243 Contract Modifications 18 sections
- Part 244 Subcontracting Policies and Procedures 13 sections
- Part 245 Government Property 23 sections
- Part 246 Quality Assurance 39 sections
- Part 247 Transportation 27 sections
- Part 249 Termination of Contracts 14 sections
- Part 250 Extraordinary Contractual Actions and the Safety Act 16 sections
- Part 251 Use of Government Sources by Contractors 5 sections
- Part 252 Solicitation Provisions and Contract Clauses 405 sections
- Part 253 Forms 10 sections
- Part 270 Defense Contracting Programs 7 sections
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.