Closed · HR001126S0005 · CFDA 12.910 · Discretionary

High-efficiency Nitrogen Oxidation (HNO3)

Federal grant opportunity posted by DARPA - Defense Sciences Office, cataloged on Grants.gov.

Varies
Award range
Closed
Status
February 5, 2026
Close date
-
Expected awards

The verdict

High-efficiency Nitrogen Oxidation (HNO3) is a closed discretionary listing from DARPA - Defense Sciences Office that offered Varies by applicant. Future funding cycles may be published under the same CFDA number. PlainGrants indexes 175 other opportunities from DARPA - Defense Sciences Office.

Varies
award range
Closed
application status
12.910
CFDA program
175
other opportunities from DARPA - Defense Sciences Office

Recently closed NOFO

This listing closed on February 5, 2026. CFDA 12.910 may re-announce under a new opportunity number. Historical award band was Varies by applicant.

According to Grants.gov (extract vintage 2026-08-10), this record reflects the officially published listing. See methodology.

Deadline tracker

Application window closed

Closed February 5, 2026

Posted Dec 1 Closes Feb 5

Instrument

Procurement Contract

Description

The Defense Advanced Research Projects Agency (DARPA) is soliciting innovative proposals in the foundational technologies to enable high-rate, energy efficient, decentralized nitric acid manufacturing to protect critical supply chains in the defense industrial base and redefine energetics manufacturing in contested logistics environments. Proposed research should investigate innovative approaches that enable revolutionary advances in science, devices, or systems. Specifically excluded is research that primarily results in evolutionary improvements to the existing state of practice.

Catch-all / unrestricted eligibility mark · HR001126S0005

Grants.gov marks High-efficiency Nitrogen Oxidation (HNO3) with a catch-all / unrestricted eligibility code (Others (see official listing text)). Read the official announcement text for the real applicant filter — the code alone is not a door list. The extract does not mark applicant cost-sharing as required. Instrument: Procurement Contract. Funding-activity code maps to Science and Technology / R&D (ST). This eligibility-code string dominates the DARPA - Defense Sciences Office book (77 peers, 44% of 176).

Code 25
Others (see official listing text)

Codes are Grants.gov eligibility category values from the extract vintage 2026-08-10. Confirm the full eligibility statement on the official listing or the Grants.gov eligibility reference.

Official Listing on Grants.gov

View full details, application forms, and submission instructions.

View on Grants.gov

Agency Contact

BAA Coordinator HNO3@darpa.mil

What to do next

High-efficiency Nitrogen Oxidation (HNO3) is closed; use the parent program and agency catalog for the next funding cycle.

  • Browse open federal opportunities in the same category when this listing is closed. Open opportunities
  • Look up CFDA 12.910 across all indexed listings before you commit to this opportunity alone. Eligibility finder
  • Compare award ranges across federal categories before you pick a single CFDA. All categories

Opportunity deadlines and eligibility change on Grants.gov; PlainGrants mirrors the extract and is not the submission system.

Disclaimer: This information is sourced from Grants.gov and SAM.gov and is for informational purposes only. Opportunity details, deadlines, and eligibility requirements change frequently. Always verify current information directly on Grants.gov before applying. PlainGrants is not affiliated with any federal agency.

Data sourced from the SAM.gov Assistance Listings and Grants.gov. See our methodology for details. Retrieved and formatted by PlainGrants