PrimeRFP SCOUT · Federal Contract Recompete Brief · SeaPort-NxG

N6339424F3004UNREP 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. PoP ended Aug 11, 2026 — the usual 12–18 month planning window is closed; recompete action looks late or overdue.

Commanding Officer
Awarding office
Mantech Advanced Systems International, Inc
Recipient
Aug 11, 2026
PoP end
$26.3M
Obligated
541330
NAICS
R425
PSC
SeaPort-NxG
Vehicle
3 bidders on last award

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Contract facts

Federal
Contract numberN6339424F3004
Also listed asN63394-24-F-3004
Also listed asN0017819D8070-N6339424F3004
AgencyCommanding Officer
Awarding officeCommanding Officer
IncumbentMantech Advanced Systems International, Inc
UEIJY2BDT2K58Z6
NAICS541330
PSCR425
VehicleSeaPort-NxG
Parent IDIQ / IDVN0017819D8070
Place of performancePORT HUENEME, CA
Related solicitationN6339423R3003
PoP end (current)Aug 11, 2026
PoP end (w/ options)Aug 11, 2029
Obligated$26.3M

UNDERWAY REPLENISHMENT ENGINEERING DESIGN & SUPPORT SERVICES (UNREP) WHICH IS A METHOD OF TRANSFERRING EQUIPMENT, FUEL,… is a federal award for Commanding Officer held by Mantech Advanced Systems International, Inc. Estimated value $30.7M ($26.3M obligated). Current period of performance ends Aug 11, 2026 (potential Aug 11, 2029). Last award drew 3 bidders. Place of performance: PORT HUENEME, CA. Related solicitation N6339423R3003.

UNDERWAY REPLENISHMENT ENGINEERING DESIGN & SUPPORT SERVICES (UNREP) WHICH IS A METHOD OF TRANSFERRING EQUIPMENT, FUEL, FOOD, AND SUPPLIES FROM SHIP TO SHIP WHILE UNDERWAY.

Recompete timing

Public
Past PoP end (9 days ago)

Current PoP ended Aug 11, 2026 (9 days ago). The usual 12–18 month agency planning window is closed — recompete action looks late / overdue relative to a normal cycle. Watch for bridge orders, follow-ons, or a new solicitation.

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

Same parent · incumbent
N0016721F3010
ENGINEERING AND TECHNICAL SUPPORT SERVICES FOR SUBMARINE AND SURFACE SHIP ACOUSTIC SIGNATU…
Department of Defense (DOD) · MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
$51.4M
Aug 26, 2026
N0017826F3001
TEST AND EVALUATION OF COMBAT SYSTEMS/WEAPON SYSTEMS
Department of Defense (DOD) · MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
$22.5M
Dec 1, 2026
N0042123F3008
CI&IDS DIVISION SYSTEMS ENGINEERING RFP
Department of Defense (DOD) · MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
$26.8M
Dec 5, 2026
N6133122F3007
LEGACY LCAC AND LCS-100 CLASS MAINTENANCE AMENDMENT ONE
Department of Defense (DOD) · MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
$24.6M
Dec 31, 2026
N6426726F3000
PROFESSIONAL ENGINEERING SUPPORT SERVICES TO THE NAVAL SYSTEMS ENGINEERING DIRECTORATE (SE…
Department of Defense (DOD) · MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
$26.0M
Mar 17, 2027

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Frequently asked questions

What is contract N6339424F3004?

N6339424F3004 (UNREP engineering support services) is a Commanding Officer award with an estimated value of $30.7M, currently held by Mantech Advanced Systems International, Inc. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is N63394-24-F-3004?

N63394-24-F-3004 is the dashed form of PIID N6339424F3004 (UNREP 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 N6339424F3004?

Commanding Officer awarded N6339424F3004 to Mantech Advanced Systems International, Inc.

Who is the incumbent on N6339424F3004?

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 Aug 11, 2026.

When does Mantech Advanced Systems International, Inc’s N6339424F3004 come up for recompete?

SCOUT tracks a period-of-performance end of Aug 11, 2026. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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.
primerfp.com/intel/contract/N6339424F3004