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N66604-25-D-A500: Department of the Navy Award to Mactaggart, Scott & Co LTD

Ok 542 & ok 634 parts. Contracting activity: NUWC DIV NEWPORT.

$4.6M cumulative ceiling / Sole-source IDIQ / N66604 NUWC DIV NEWPORT

1. Contract Summary & Primary Sources

Contract Number (PIID) N66604-25-D-A500 (unhyphenated: N6660425DA500)
Prime Contractor (Awardee) Mactaggart, Scott & Co LTD
FY2024-FY2026 Federal Defense Portfolio: $7.9M obligated across 28 contracts
Obligated Amount Order-Dependent / TBD
Cumulative Face Value / Ceiling USAspending Base IDV Ceiling: $4,573,288
USAspending / FPDS Obligation History Base Record Obligated: $0 (signed 2024-10-03, latest FPDS action 2024-10-11) · 1 Issued Delivery/Task Order(s) totaling $1,562,310
Awarding Branch / Agency Department of the Navy
Contracting Command & DoDAAC N66604: NUWC DIV NEWPORT
Competition & Contract Structure SOLE-SOURCE · Indefinite Delivery Contract (IDIQ) / Firm-Fixed-Price (FFP)
Product / Service & Industry Codes PSC 2895 (Miscellaneous Engines And Components) · NAICS 333996 (Fluid Power Pump And Motor Manufacturing)
Work Locations & Funding Determined at the contract or task-order level
Estimated Completion Date See order schedule
Verified Primary Sources

2. Verbatim Announcement & Scope Breakdown

USAspending / FPDS Transaction Description (Contract N6660425DA500)

Ok 542 & ok 634 parts

3. Subcontractor, Supply Chain & Capture Intelligence

For Tier-2 / Tier-3 Subcontractors & Suppliers

Subcontracting & Material Supply Window

  • Prime Awardee: Mactaggart, Scott & Co LTD
  • Delivery Runway: Active through multi-year ordering period
  • Requirement Scope: Ok 542 & ok 634 parts
  • Federal Supply Class: PSC 2895 (Miscellaneous Engines And Components)
  • BD Action: Reference Prime Contract N66604-25-D-A500 when contacting Mactaggart, Scott & Co LTD Supply Chain / Small Business Liaison Officer.
For Competing Primes & Capture Managers

Buying Command & Recompete Posture

  • Buying Command: N66604 (NUWC DIV NEWPORT)
  • Acquisition Method: SOLE-SOURCE
  • FOIA Jurisdiction: Department of the Navy FOIA (route via DON portal) (Official Portal)
  • Capture Action: Request the FAR 6.303 Sole-Source Justification & Approval (J&A) and Section C SOW below to inspect the government's technical rationale and qualify for future orders.

Issued Task & Delivery Orders under N66604-25-D-A500 (1 shown, $1.6M obligated)

Order PIID Obligated Awardee Start / Latest Action End Date Order Scope
N6660425FA501 $1.6M Mactaggart, Scott & Co LTD 2024-10-25 / 2024-11-12 2026-04-26 Ok 542 & ok 634 parts
Tier-2 Subcontract Reporting Status (FAR 52.204-10): Prime contractors report first-tier subcontracts of $30,000 or more to the Federal Subaward Reporting System (FSRS) by the end of the month following subcontract award. Under DFARS 252.219-7003, prime awards exceeding $750,000 ($1.5M for construction) carry mandatory small-business subcontracting plans. Component and subsystem suppliers should contact Mactaggart, Scott & Co LTD Supply Chain / Small Business Liaison referencing contract N66604-25-D-A500.

Recent Contract Actions from Buying Office N66604 (NUWC DIV NEWPORT)

Date Contract (PIID) Prime Contractor Amount Completion Scope Summary
2026-10-23 N66604-20-D-D002 Huntington Ingalls Inc. $98.1M November 2029 Huntington Ingalls Inc., Newport News Shipbuilding, Newport News, Virginia (N6660420DD002); Oceaneering International Inc., Chesapeake, Virg...
2026-09-23 N66604-26-D-X600 Massa Products $61.8M - Massa Products wins $61.8M contract for design, manufacture, test, package and delivery of DT-574 Hydrophones. Naval Undersea Warfare Center...
2026-08-27 N66604-26-C-0200 SyQwest $14.1M - SyQwest wins $14.1M contract for production, testing, and delivery of source and sensor kits. Naval Undersea Warfare Center Division Newport...
2026-07-15 N66604-25-D-K500 Mikel $13.9M - Mikel gets $13.9M modification for continuation of the Small Business Innovation Research (SBIR) Phase III development, upgrade. Naval Under...
2026-07-10 N66604-26-D-P600 - $42.7M - L3 Technologies Inc., Chesapeake Sciences Division wins $42.7M contract for hardware and services required to support towed array programs u...
2026-06-29 N66604-26-C-0186 Saab $23.2M - Saab wins $23.2M contract for four MK66 Heavyweight Undersea Training Targets (also known as AUV62-AT). Naval Undersea Warfare Center Divisi...
2026-05-07 N66604-26-D-B600 General Dynamics Mission Systems $66.2M - General Dynamics Mission Systems wins $66.18M contract for continued Small Business Innovative Research (SBIR) Phase III development of the ...
2026-05-07 N66604-26-D-C600 SEACORP $32.0M - SEACORP wins $32.0M contract for development of payload control system technology in support of Navy submarines. Naval Undersea Warfare Cent...

4. Underlying Contract Files (Section B Pricing & Section C Statement of Work)

Document Status: Not yet on file. The government publishes the award notice and obligation record above, but does not post the underlying Section C Statement of Work (SOW), Section B line-item pricing schedule (CLINs), or Sole-Source Justification & Approval (J&A) online.
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Pre-Filled FOIA Request Letter for N66604-25-D-A500

Routed to Department of the Navy FOIA (route via DON portal) · Official Agency FOIA Portal ↗

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