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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4 sections with “Samarium-cobalt magnets”

  • DFARS 252.225-7052 Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten.
    … 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…
  • DFARS 225.7018-2 Restriction.
    …ry, that contains a covered material. (Section 854, Pub. L. 118-31; 10 U.S.C. 4872.) (b) Samarium-cobalt magnets and neodymium-iron-boron magnets. (1) Effective through December 31, 2026, for samarium-cobalt magnets and neodymium-iron-boro…
  • DFARS 225.7018-3 Exceptions.
    …le off-the-shelf item (but see PGI 225.7018-3(c)(1) with regard to commercially available samarium-cobalt magnets), other than— (i) A commercially available off-the-shelf item that is— (A) 50 percent or more tungsten by weight effective t…
  • DFARS 225.7018-1 Definitions.
    As used in this section— 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 c…

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.