Active Solicitation · NATIONAL SCIENCE FOUNDATION

    U.S. NATIONAL SCIENCE FOUNDATION (NSF) X-LABS INITIATIVE

    NATIONAL SCIENCE FOUNDATION
    Sol. NSF-OTASO-FY26-XLabsInitativeSolicitationAlexandria, VA
    Open · 731d remaining
    DAYS TO CLOSE
    731
    closes May 14, 2028
    POSTED
    May 14, 2026
    Publication date
    NAICS CODE
    541715
    Primary industry classification
    PSC CODE
    AJ12
    Product & service classification

    AI Summary

    The U.S. National Science Foundation is soliciting proposals for the NSF X-Labs initiative, aimed at establishing interdisciplinary R&D teams to advance novel technologies. This opportunity is not a FAR-based procurement and aims to support ambitious scientific missions. Proposals will be evaluated based on specific criteria outlined in the solicitation.

    Contract details

    Solicitation No.
    NSF-OTASO-FY26-XLabsInitative
    Notice Type
    Solicitation
    Posted Date
    May 14, 2026
    Response Deadline
    May 14, 2028
    NAICS Code
    541715AI guide
    PSC / Class Code
    AJ12
    Primary Contact
    X-Labs
    State
    VA
    ZIP Code
    22314
    AI Product/Service
    service

    Description

    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. 

    Key dates

    1. May 14, 2026Posted Date
    2. May 14, 2028Proposals / Responses Due

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    Frequently asked questions

    U.S. NATIONAL SCIENCE FOUNDATION (NSF) X-LABS INITIATIVE is a federal acquisition solicitation issued by NATIONAL SCIENCE FOUNDATION. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

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