U.S. National Science Foundation (NSF) X-Labs Initiative

Open — responses due 14 May 2028 (547 days left) · No Set aside used · National Science Foundation (NSF) · Alexandria, VA · NAICS 541715 · Solicitation NSF-OTASO-FY26-XLabsInitative

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Solicitation details

Solicitation number	NSF-OTASO-FY26-XLabsInitative
Notice ID	ad171e27016a45ce8924d7e4bcdcb74e
Agency	National Science Foundation (NSF)
Contracting office	DIRECTORATE FOR TECHNOLOGY, INNOVATION, AND PARTNERSHIPS (TIP)
NAICS code	541715 — Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)
Product / service code (PSC)	AJ12
Set-aside	No Set aside used
Notice type	Solicitation
Posted	01 July 2026
Response deadline	14 May 2028
Place of performance	Alexandria, VA, USA
Competition	Competitive

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Description

NSF amended this solicitation on June 23, 2026. Section?6.1.1 has been updated. No other changes were made. ********************************************** The U.S. National Science Foundation (NSF), Directorate for Technology, Innovation and Partnerships (TIP), announces the NSF X-Labs Other Transaction Agreement Solutions Offering (OTASO). The NSF X-Labs initiative is a flexible, outcomes-driven effort to build and accelerate novel platform technologies capable of unlocking new sectors, advancing use-inspired scientific breakthroughs, and supporting U.S. leadership in science and technology. Through this OTASO, NSF is soliciting proposals from domestic responsible entities capable of establishing full-time, interdisciplinary R&D teams with the operational autonomy, technical expertise, and organizational flexibility necessary to pursue ambitious missions aligned with NSF X-Labs Topic Announcements. NSF anticipates making one or more Other Transaction (OT) contract awards. This OTASO is not a FAR-based procurement contract solicitation and is not a financial assistance opportunity. NSF will evaluate submissions in accordance with the procedures and criteria set forth in the OTASO and any applicable Topic Announcement. This posting shall not be construed as an obligation on the part of the Government. The Government is not obligated to make any award as a result of this notice. The Government will not pay for any information submitted or for any costs incurred in responding to this notice. Any information received becomes the property of the Government and will not be returned to the submitter. Responses may also be subject to disclosure under the Freedom of Information Act (FOIA) or as otherwise required by law.

Version history

SAM.gov has posted 7 notices under solicitation NSF-OTASO-FY26-XLabsInitative, oldest first.

14 May 2026 — Solicitation
14 May 2026 — Solicitation
14 May 2026 — Solicitation
23 June 2026 — Solicitation
01 July 2026 — Solicitation (this page)
16 September 2026 — Solicitation
18 September 2026 — Solicitation (latest)

Documents in the solicitation package

4 files are attached to this notice.

NSF-OTASO-FY26-XLabsInitative - Amended June 23 2026.pdf
NSF-OTASO-FY26-XLabsInitiative.pdf
NSF-OTASO-FY26-XLabsInitiative-AttachmentA.pdf
X-Labs FAQ.pdf

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Market context: NSF and NAICS 541715

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

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