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Expired contract

N0042123F0035 — SCIENCE AND ENGINEERING SERVICES, LLC

SCIENCE AND ENGINEERING SERVICES, LLC held this Department of Defense contract until 30 September 2026. The period of performance ended 4 days ago. It was worth $10.26M, for aircraft manufacturing work in LEXINGTON PARK, MD.

Days since
4
Ended
2026-09-30
Value
$10.26M
Set-aside
SBA

Who is the incumbent on N0042123F0035?

SCIENCE AND ENGINEERING SERVICES, LLC held the award, recorded by SAM as SMALL BUSINESS. Its unique entity identifier is E3D7U1KNNJC8.

This period of performance has ended

The period of performance ended 30 September 2026. A follow-on may already have been awarded — FedTally tracks contracts up to their end date and does not track award of the successor. The SAM.gov record is the current authority.

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What is contract N0042123F0035 for?

COLLABORATIVE DEVELOPMENT

Reproduced from the USAspending.gov award record, capitals and all. SAM’s most recent action on this contract carries only administrative modification text, so the base award’s description is shown instead.

NAICS 336411 — Aircraft ManufacturingExpiring in this industryDepartment of Defense spending

Can a small business bid on the follow-on?

Competed as SMALL BUSINESS SET ASIDE - TOTAL. The incumbent is SMALL BUSINESS. The follow-on is competed under whatever the contracting officer sets then, not under this award’s terms.

All small business set-aside contracts expiring in the next 180 days

Contract identifiers

Contract numberN0042123F0035
Parent vehicleN0042117D0052
Department code9700 · DEPT OF DEFENSE
Vendor UEIE3D7U1KNNJC8
NAICS code336411 · AIRCRAFT MANUFACTURING
Period of performance2023-01-17 to 2026-09-30
Total contract value$10,258,453
Last modified in SAM2026-04-24 · action signed 2026-04-24
Product or service code1680 · MISCELLANEOUS AIRCRAFT ACCESSORIES AND COMPONENTS
Awarding sub-agencyDepartment of the Navy
USAspending recordView this award on USAspending.gov

Obligated amount is not shown. SAM reports it per action, not running, and it is zero or negative on a third of the archive. How to read a contract number.

Related contracts

The same archive cut four ways — the incumbent’s other work, the same programme, the same agency, the same industry. Every one of these has a page.

Other contracts held by SCIENCE AND ENGINEERING SERVICES, LLC

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All expiring in this industry

First seen in the SAM.gov Contract Awards feed on 15 Aug 2026, last confirmed 25 Aug 2026. Figures are SAM’s, taken from the most recent contract action — public domain US Government data. Vendors are identified by name and government-issued UEI only.

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