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DFARS Clause ACTIVE

252.225-7052

Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten.
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Effective Date
Active Deviations
2
Versions
7 (since 2019-04-30)
DEV
This clause is modified by 2 active class deviations
  • 2026-O0041 — DFARS RFO Implementation (Part 25)
    Add clause 252.225-7052
  • 2026-O0028 — DFARS RFO Implementation (Part 12)
View per-deviation details →
252.225-7052 Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten.

As prescribed in 225.7018-5, use the following clause:

Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten (May 2024)

(a)
Definitions.
As used in this clause—

Assembly
means an item forming a portion of a system or subsystem that—

(1) Can be provisioned and replaced as an entity; and

(2) Incorporates multiple, replaceable parts.

Commercially available off-the-shelf item
—

(1) Means any item of supply that is—

(i) A commercial products (as defined in paragraph (1) of the definition of "commercial products" in section 2.101 of the Federal Acquisition Regulation);

(ii) Sold in substantial quantities in the commercial marketplace; and

(iii) Offered to the Government, under this contract or a subcontract at any tier, without modification, in the same form in which it is sold in the commercial marketplace; and

(2) Does not include bulk cargo, as defined in 46 U.S.C. 40102(4), such as agricultural products and petroleum products.

Component
means any item supplied to the Government as part of an end item or of another component.

Covered country
means—

(1) The Democratic People's Republic of North Korea;

(2) The People's Republic of China;

(3) The Russian Federation; and

(4) The Islamic Republic of Iran.

Covered material
means—

(1) Samarium-cobalt magnets;

(2) Neodymium-iron-boron magnets;

(3) Tantalum metals and alloys;

(4) Tungsten metal powder; and

(5) Tungsten heavy alloy or any finished or semi-finished component containing tungsten heavy alloy.

Electronic device
means an item that operates by controlling the flow of electrons or other electrically charged particles in circuits, using interconnections such as resistors, inductors, capacitors, diodes, switches, transistors, or integrated circuits.

End item
means the final production product when assembled or completed and ready for delivery under a line item of this contract.

Subsystem
means a functional grouping of items that combine to perform a major function within an end item, such as electrical power, attitude control, and propulsion.

Tungsten heavy alloy
means a tungsten base pseudo alloy that—

(1) Meets the specifications of ASTM B777 or SAE-AMS-T-21014 for a particular class of tungsten heavy alloy; or

(2) Contains at least 90 percent tungsten in a matrix of other metals (such as nickel-iron or nickel-copper) and has density of at least 16.5 g/cm3).

(b)
Restriction.
(1) Except as provided in paragraph (c) of this clause—

(i) Effective through December 31, 2026, the Contractor shall not deliver under this contract any covered material melted or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material; and

(ii) Effective January 1, 2027, the Contractor shall not deliver under this contract any covered material mined, refined, separated, melted, or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material (section 854, Pub. L. 118-31; 10 U.S.C. 4872).

(2)(i)(A) Effective through December 31, 2026, for samarium-cobalt magnets and neodymium-iron-boron magnets, this restriction includes—

(
1
) Melting samarium with cobalt to produce the samarium-cobalt alloy or melting neodymium with iron and boron to produce the neodymium-iron-boron alloy; and

(
2
) All subsequent phases of production of the magnets, such as powder formation, pressing, sintering or bonding, and magnetization.

(B) Effective January 1, 2027, for samarium-cobalt magnets this restriction includes the entire supply chain from mining or production of a cobalt and samarium ore or feedstock, including recycled material, through production of finished magnets.

(ii) The restriction on melting and producing of samarium-cobalt magnets is in addition to any applicable restrictions on melting of specialty metals if the clause at 252.225-7009, Restriction on Acquisition of Certain Articles Containing Specialty Metals, is included in the contract.

(3) Effective January 1, 2027, for neodymium-iron-boron magnets, this restriction includes entire supply chain from mining of neodymium, iron, and boron through production of finished magnets.

(4)(i) Effective through December 31, 2026, for production of tantalum metals of any kind and alloys, this restriction includes the reduction or melting of any form of tantalum to create tantalum metal including unwrought, powder, mill products, and alloys. The restriction also covers all subsequent phases of production of tantalum metals and alloys.

(ii) Effective January 1, 2027, for production of tantalum metals of any kind and alloys, this restriction includes mining or production of a tantalum ore or feedstock, including recycled material, through production of metals of any kind and alloys.

(5)(i) Effective through December 31, 2026, for production of tungsten metal powder and tungsten heavy alloy, this restriction includes—

(A) Atomization;

(B) Calcination and reduction into powder;

(C) Final consolidation of non-melt derived metal powders; and

(D) All subsequent phases of production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.

(ii) Effective January 1, 2027, for production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy, this restriction includes mining or production of a tungsten ore or feedstock, including recycled material, through production of tungsten metal powders, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.

(c)
Exceptions.
This clause does not apply—

(1) To an end item containing a covered material that is—

(i) A commercially available off-the-shelf item, other than—

(A) A commercially available off-the-shelf item that is—

(
1
) 50 percent or more tungsten by weight effective through December 31, 2026; or

(
2
) 50 percent or more covered material by weight effective January 1, 2027;

(B) Effective through December 31, 2026, a tantalum metal, tantalum alloy, or tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;

(ii) Effective January 1, 2027, a covered material that is a mill product such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;

(iii) An electronic device, unless otherwise specified in the contract; or

(iv) A neodymium-iron-boron magnet manufactured from recycled material if the milling of the recycled material and sintering of the final magnet takes place in the United States.

(2) If the authorized agency official concerned has made a nonavailability determination, in accordance with section 225.7018-4 of the Defense Federal Acquisition Regulation Supplement, that compliant covered materials of satisfactory quality and quantity, in the required form, cannot be procured as and when needed at a reasonable price.

(i) For tantalum metal, tantalum alloy, or tungsten heavy alloy, the term "required form" refers to the form of the mill product, such as bar, billet, wire, slab, plate, or sheet, in the grade appropriate for the production of a finished end item to be delivered to the Government under this contract; or a finished component assembled into an end item to be delivered to the Government under the contract.

(ii) For samarium-cobalt magnets or neodymium-iron-boron magnets, the term "required form" refers to the form and properties of the magnets.

(d)
Subcontracts.
The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial products, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties.

(End of clause)

[84 FR 18159, Apr. 30, 2019, as amended at 84 FR 72245, Dec. 31, 2019; 85 FR 61502, Sept. 29, 2020; 87 FR 52347, Aug. 25, 2022; 87 FR 76997, Dec. 16, 2022; 88 FR 6593, Jan. 31, 2023; 89 FR 46821, May 30, 2024]
RFO
Prescription superseded under the RFO

The prescription shown below is from the codified eCFR. The Revolutionary FAR Overhaul relocates this clause's prescription as follows:

  • 212.301212.205 (prescriptive text also revised)

See the deviation memorandum for the current prescription authority.

View deviation: 2026-O0041 → · View deviation: 2026-O0028 →

R-DFARS Prescription Source

This clause is prescribed in the R-DFARS by the following deviation:

  • 2026-O0041 — DFARS RFO Implementation (Part 25) (DFARS Part 225)
    Add clause 252.225-7052
225.7018-5
Unless acquiring items outside the United States for use outside the United States or a nonavailability determination has been made in accordance with 225.7018-4 , use the clause at 252.225-7052 , Restriction on Acquisition of Certain Magnets, Tantalum, and Tungsten, in solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, that exceed the simplified acquisition threshold.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC. Cross-references within the prescription are not resolved automatically.

Regulatory Stack

The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.

R-DFARS R-DFARS Prescription Per Deviation 2026-O0041 (DFARS Part 225)
2026-O0041: DFARS RFO Implementation (Part 25) — DFARS Part 225

View Deviation 2026-O0041 →

DFARS DFARS Supplement (eCFR) ⚠ May be superseded by RFO 225.7018-5
Unless acquiring items outside the United States for use outside the United States or a nonavailability determination has been made in accordance with 225.7018-4 , use the clause at 252.225-7052 , Restriction on Acquisition of Certain Magnets, Tantalum, and Tungsten, in solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, that exceed the simplified acquisition threshold.

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Version History

Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.

7 versions tracked from 2019-04-30 to 2024-05-30.
MAY 2024 May 30, 2024 CURRENT SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
JAN 2023 (previous)
MAY 2024 (current)
13 added, 10 removed
(1)
(1) To an end item containing a covered material that is—
(1)
(1) 50 percent or more tungsten by weight effective through December 31, 2026; or
8 added, 24 removed
(iii)
(iii) A neodymium-iron-boron magnet manufactured from recycled material if the milling of the recycled material and sintering of the final magnet takes place in the United States.
(iii)
(iii) An electronic device, unless otherwise specified in the contract; or
17 added, 39 removed
(3)
(3) For production of tantalum metals of any kind and alloys, this restriction includes the reduction or melting of any form of tantalum to create tantalum metal including unwrought, powder, mill products, and alloys. The restriction also covers all subsequent phases of production of tantalum metals and alloys.
(3)
(3) Effective January 1, 2027, for neodymium-iron-boron magnets, this restriction includes entire supply chain from mining of neodymium, iron, and boron through production of finished magnets.
1 added, 10 removed
(4)
(4) For production of tungsten metal powder and tungsten heavy alloy, this restriction includes—
(4)
(4) Tungsten metal powder; and
1 added, 36 removed
(b)
(b) Restriction. (1) Except as provided in paragraph (c) of this clause, the Contractor shall not deliver under this contract any covered material melted or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material (10 U.S.C. 4872).
(b)
(b) Restriction. (1) Except as provided in paragraph (c) of this clause—
1 added, 11 removed
(2)(i)
(2)(i) For samarium-cobalt magnets and neodymium iron-boron magnets, this restriction includes—
(2)(i)
[Removed]
1 added, 9 removed
(A)
(A) A commercially available off-the-shelf item that is 50 percent or more tungsten by weight; or
(A)
(A) A commercially available off-the-shelf item that is—
5 added
(B)
(B) A tantalum metal, tantalum alloy, or tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;
(B)
(B) Effective through December 31, 2026, a tantalum metal, tantalum alloy, or tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;
24 added, 20 removed
(iv)
(iv) All subsequent phases of production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.
(iv)
(iv) A neodymium-iron-boron magnet manufactured from recycled material if the milling of the recycled material and sintering of the final magnet takes place in the United States.
15 added, 5 removed
(2)(i)(A)
[Not present in prior version]
(2)(i)(A)
(2)(i)(A) Effective through December 31, 2026, for samarium-cobalt magnets and neodymium-iron-boron magnets, this restriction includes—
53 added, 5 removed
(4)(i)
[Not present in prior version]
(4)(i)
(4)(i) Effective through December 31, 2026, for production of tantalum metals of any kind and alloys, this restriction includes the reduction or melting of any form of tantalum to create tantalum metal including unwrought, powder, mill products, and alloys. The restriction also covers all subsequent phases of production of tantalum metals and alloys.
19 added, 5 removed
(5)(i)
[Not present in prior version]
(5)(i)
(5)(i) Effective through December 31, 2026, for production of tungsten metal powder and tungsten heavy alloy, this restriction includes—
9 added, 5 removed
(C)
[Not present in prior version]
(C)
(C) Final consolidation of non-melt derived metal powders; and
23 added, 5 removed
(D)
[Not present in prior version]
(D)
(D) All subsequent phases of production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.
JAN 2023 January 31, 2023
Removed in this version
Added in this version
Unchanged
DEC 2022 (previous)
JAN 2023 (current)
1 added, 1 removed
(d)
(d) Subcontracts. The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial items, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties.
(d)
(d) Subcontracts. The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial products, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties.
DEC 2022 December 30, 2022 SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
December 16, 2022 (previous)
December 30, 2022 (current)
1 added, 1 removed
(b)
(b) Restriction. (1) Except as provided in paragraph (c) of this clause, the Contractor shall not deliver under this contract any covered material melted or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material (10 U.S.C. 2533c).
(b)
(b) Restriction. (1) Except as provided in paragraph (c) of this clause, the Contractor shall not deliver under this contract any covered material melted or produced in any covered country, or any end item, manufactured in any covered country, that contains a covered material (10 U.S.C. 4872).
DEC 2022 December 16, 2022 SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
OCT 2020 (previous)
DEC 2022 (current)
4 added
(1)
(1) To an end item that is -
(1)
(1) To an end item containing a covered material that is -
23 added, 18 removed
(3)
(3) For production of tantalum metal and alloys, this restriction includes the reduction of tantalum chemicals such as oxides, chlorides, or potassium salts, to metal powder and all subsequent phases of production of tantalum metal and alloys, such as consolidation of metal powders.
(3)
(3) For production of tantalum metals of any kind and alloys, this restriction includes the reduction or melting of any form of tantalum to create tantalum metal including unwrought, powder, mill products, and alloys. The restriction also covers all subsequent phases of production of tantalum metals and alloys.
OCT 2020 October 1, 2020 SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
DEC 2019 (previous)
OCT 2020 (current)
5 added
(i)
(i) For tungsten heavy alloy, the term "required form" refers to the form of the mill product, such as bar, billet, wire, slab, plate, or sheet, in the grade appropriate for the production of a finished end item to be delivered to the Government under this contract; or a finished component assembled into an end item to be delivered to the Government under the contract.
(i)
(i) For tantalum metal, tantalum alloy, or tungsten heavy alloy, the term "required form" refers to the form of the mill product, such as bar, billet, wire, slab, plate, or sheet, in the grade appropriate for the production of a finished end item to be delivered to the Government under this contract; or a finished component assembled into an end item to be delivered to the Government under the contract.
36 added, 8 removed
(3)
(3) For production of tungsten metal powder and tungsten heavy alloy, this restriction includes -
(3)
(3) For production of tantalum metal and alloys, this restriction includes the reduction of tantalum chemicals such as oxides, chlorides, or potassium salts, to metal powder and all subsequent phases of production of tantalum metal and alloys, such as consolidation of metal powders.
10 added, 101 removed
(4)
(4) Tungsten heavy alloy or any finished or semi-finished component containing tungsten heavy alloy. Electronic device means an item that operates by controlling the flow of electrons or other electrically charged particles in circuits, using interconnections such as resistors, inductors, capacitors, diodes, switches, transistors, or integrated circuits. End item means the final production product when assembled or completed and ready for delivery under a line item of this contract. Subsystem means a functional grouping of items that combine to perform a major function within an end item, such as electrical power, attitude control, and propulsion. Tungsten heavy alloy means a tungsten base pseudo alloy that -
(4)
(4) For production of tungsten metal powder and tungsten heavy alloy, this restriction includes -
5 added
(B)
(B) A tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;
(B)
(B) A tantalum metal, tantalum alloy, or tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;
1 added
(d)
(d) The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial items, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties.
(d)
(d) Subcontracts. The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial items, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties.
105 added, 4 removed
(5)
[Not present in prior version]
(5)
(5) Tungsten heavy alloy or any finished or semi-finished component containing tungsten heavy alloy. Electronic device means an item that operates by controlling the flow of electrons or other electrically charged particles in circuits, using interconnections such as resistors, inductors, capacitors, diodes, switches, transistors, or integrated circuits. End item means the final production product when assembled or completed and ready for delivery under a line item of this contract. Subsystem means a functional grouping of items that combine to perform a major function within an end item, such as electrical power, attitude control, and propulsion. Tungsten heavy alloy means a tungsten base pseudo alloy that -
DEC 2019 December 31, 2019 SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
APR 2019 (previous)
DEC 2019 (current)
12 added, 2 removed
(a)
(a) Definitions. As used in this clause - Covered material means -
(a)
(a) Definitions. As used in this clause - Assembly means an item forming a portion of a system or subsystem that -
2 added, 12 removed
(2)
(2) If the authorized agency official concerned has made a nonavailability determination, in accordance with section 225.7018-4 of the Defense Federal Acquisition Regulation Supplement, that covered materials of satisfactory quality and quantity, in the required form, cannot be procured as and when needed at a reasonable price from a source other than a covered country. (End of clause)
(2)
(2) If the authorized agency official concerned has made a nonavailability determination, in accordance with section 225.7018-4 of the Defense Federal Acquisition Regulation Supplement, that compliant covered materials of satisfactory quality and quantity, in the required form, cannot be procured as and when needed at a reasonable price.
13 added, 39 removed
(3)
(3) The restriction on melting and producing of samarium-cobalt magnets is in addition to any applicable restrictions on melting of specialty metals if the clause at 252.225-7009, Restriction on Acquisition of Certain Articles Containing Specialty Metals, is included in the contract.
(3)
(3) For production of tungsten metal powder and tungsten heavy alloy, this restriction includes -
103 added, 3 removed
(4)
(4) The Islamic Republic of Iran.
(4)
(4) Tungsten heavy alloy or any finished or semi-finished component containing tungsten heavy alloy. Electronic device means an item that operates by controlling the flow of electrons or other electrically charged particles in circuits, using interconnections such as resistors, inductors, capacitors, diodes, switches, transistors, or integrated circuits. End item means the final production product when assembled or completed and ready for delivery under a line item of this contract. Subsystem means a functional grouping of items that combine to perform a major function within an end item, such as electrical power, attitude control, and propulsion. Tungsten heavy alloy means a tungsten base pseudo alloy that -
63 added, 7 removed
(i)
(i) A commercially available off-the-shelf item, other than -
(i)
(i) For tungsten heavy alloy, the term "required form" refers to the form of the mill product, such as bar, billet, wire, slab, plate, or sheet, in the grade appropriate for the production of a finished end item to be delivered to the Government under this contract; or a finished component assembled into an end item to be delivered to the Government under the contract.
18 added, 9 removed
(ii)
(ii) An electronic device, unless otherwise specified in the contract; or
(ii)
(ii) For samarium-cobalt magnets or neodymium-iron-boron magnets, the term "required form" refers to the form and properties of the magnets.
1 added, 1 removed
(B)
(B) A tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that had not been incorporated into an end item, subsystem, assembly, or component;
(B)
(B) A tungsten heavy alloy mill product, such as bar, billet, slab, wire, cube, sphere, block, blank, plate, or sheet, that has not been incorporated into an end item, subsystem, assembly, or component;
12 added, 5 removed
(2)(i)
[Not present in prior version]
(2)(i)
(2)(i) For samarium-cobalt magnets and neodymium iron-boron magnets, this restriction includes -
23 added, 5 removed
(iv)
[Not present in prior version]
(iv)
(iv) All subsequent phases of production of tungsten metal powder, tungsten heavy alloy, or any finished or semi-finished component containing tungsten heavy alloy.
63 added, 4 removed
(d)
[Not present in prior version]
(d)
(d) The Contractor shall insert the substance of this clause, including this paragraph (d), in subcontracts and other contractual instruments that are for items containing a covered material, including subcontracts and other contractual instruments for commercial items, unless an exception in paragraph (c) of this clause applies. The Contractor shall not alter this clause other than to identify the appropriate parties. (End of clause)
APR 2019 April 30, 2019 SUBSTANTIVE
Earliest version available from the eCFR

Active Class Deviations

DFARS RFO Implementation (Part 25) Add clause 252.225-7052
MODIFIED
DFARS RFO Implementation (Part 12) Modify clause 252.225-7052
MODIFIED

Related Clauses

References

252.225-7009
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