PrimeRFP SCOUT · Federal Contract Recompete Brief · SeaPort-NxG

N6426726F3000Professional engineering support services — Mantech Advanced Systems International, Inc

Mantech Advanced Systems International, Inc holds $3.0B across 367 federal awards, concentrated at General Services Administration (GSA). This PIID sits alongside 5 related awards under parent N0017819D8070. Competition previously drew 3 offers. Recompete timing centers on the Mar 17, 2027 PoP end — agencies typically plan 12–18 months ahead.

Naval Surface Warfare Center
Awarding office
Mantech Advanced Systems International, Inc
Recipient
Mar 17, 2027
PoP end
$300K
Obligated
$140M
Potential
541330
NAICS
R425
PSC
SeaPort-NxG
Vehicle
3 bidders on last award

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Contract facts

Federal
Contract numberN6426726F3000
Also listed asN64267-26-F-3000
Also listed asN0017819D8070-N6426726F3000
AgencyNaval Surface Warfare Center
Awarding officeNaval Surface Warfare Center
Awarding agencyDepartment of Defense (DOD)
Funding agencyDepartment of Defense (DOD)
IncumbentMantech Advanced Systems International, Inc
CAGE5N741
UEIJY2BDT2K58Z6
NAICS541330
PSCR425
VehicleSeaPort-NxG
Parent IDIQ / IDVN0017819D8070
Place of performanceWASHINGTON NAVY YARD DC
Pricing typeCost Plus Fixed Fee
Extent competedFull And Open Competition
Related solicitationN6426722R3013
PoP startMar 18, 2026
PoP end (current)Mar 17, 2027
PoP end (w/ options)Mar 17, 2031
Obligated$300K
Current value$26M
Potential value$140M

PROFESSIONAL ENGINEERING SUPPORT SERVICES TO THE NAVAL SYSTEMS ENGINEERING DIRECTORATE (SEA 05) is a federal award for Naval Surface Warfare Center held by Mantech Advanced Systems International, Inc. Estimated value $140M ($300K obligated). Current period of performance ends Mar 17, 2027 (potential Mar 17, 2031). Last award drew 3 bidders. Place of performance: WASHINGTON NAVY YARD DC. Related solicitation N6426722R3013.

PROFESSIONAL ENGINEERING SUPPORT SERVICES TO THE NAVAL SYSTEMS ENGINEERING DIRECTORATE (SEA 05)

Recompete timing

Public
● Expiring in 168 days

Current PoP ends Mar 17, 2027 (168 days remaining). Agencies typically plan 12–18 months ahead — at 5.5 months out, that window is already open. The buying decision is likely already in motion.

Bonuses end Sept 30

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Incumbent footprint

Public record

Mantech Advanced Systems International, Inc — $3.0B obligated across 367 awards (firm-wide, all agencies) · lead buyer General Services Administration (GSA).

% of firm-wide obligated ($3.0B) · all agencies · Top 4 shown (94%); remaining ~6% is other agencies.
General Services Administration (GSA)$1.5B · 50%Department of Defense (DOD)$852.8M · 28%Department of Homeland Security (DHS)$290.5M · 10%Department of State (DOS)$180.5M · 6%
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Related awards

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N0042125F0302
BASE YEAR LABOR - NEW TASK ORDER
$666K
Sep 23, 2026
FA252121F0106
EO14042, HUMAN SPACE FLIGHT SUPPORT (HSFS) II
$32.3M
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N0042125F0320
BASE YEAR LABOR - RDT&E
$333K
Aug 31, 2026
N0016721F3010
ENGINEERING AND TECHNICAL SUPPORT SERVICES FOR SUBMARINE AND SURFACE SHIP ACOUSTIC SIGNATU…
$51.4M
Aug 26, 2026

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Frequently asked questions

What is contract N6426726F3000?

N6426726F3000 (Professional engineering support services) is a Naval Surface Warfare Center award with a potential value of $140M, currently held by Mantech Advanced Systems International, Inc. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is N64267-26-F-3000?

N64267-26-F-3000 is the dashed form of PIID N6426726F3000 (Professional engineering support services), held by Mantech Advanced Systems International, Inc. Same award — SCOUT canonicalizes compact, dashed, and parent-child identifiers to one brief.

Which office awarded N6426726F3000?

Naval Surface Warfare Center awarded N6426726F3000 to Mantech Advanced Systems International, Inc (potential $140M).

Who is the incumbent on N6426726F3000?

Mantech Advanced Systems International, Inc is the incumbent with $3.0B across 367 related awards in SCOUT’s public footprint. The current period of performance ends Mar 17, 2027.

When does Mantech Advanced Systems International, Inc’s N6426726F3000 come up for recompete?

SCOUT tracks a period-of-performance end of Mar 17, 2027. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of · refreshed monthlyLatest procurement action
Sources: USASpending, FPDS, SAM.gov · Public-record facts + SCOUT analysis shown above; personalized scoring in SCOUT.
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