This Combined Synopsis/Solicitation opportunity from Department Of Defense was posted on September 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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J999 SOLE SOURCE FOR PORT STERN TUBE SHAFT SEAL ASSEMBY INSTALLATION

Closed

N0040626Q0531Federal

Submission Closed09/23/2026, 07:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 336611

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Marine Engine and Gear SpecialistThis small business set-aside subcontract, managed by the Department of Homeland Security for the USCG Surface Force Logistics Center, requires a Marine Engine and Gear Specialist to perform critical maintenance on main diesel engines and reduction gears. The selected contractor will be responsible for inspections and adjustments according to work item D-009, utilizing precision alignment and diagnostic equipment to ensure propulsion systems are properly adjusted and certified. The work will be performed in Panama City, Florida, under NAICS code 336611. To be eligible, contractors must hold OEM certification for the specific engine models involved and are required to deliver certified inspection reports upon completion. The response deadline for this opportunity is November 12, 2026.

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Marine Engineering & Vessel MaintenanceThis subcontract opportunity, titled Marine Engineering and Vessel Maintenance, involves providing preventive and corrective maintenance for prime contractors on US Navy NDSTC facility projects in Panama City Beach, Florida. The scope of work includes troubleshooting, disassembling, repairing, and adjusting marine machinery, such as packing glands and guards, to ensure all watercraft are delivered fully operational and meet readiness standards. All maintenance must adhere to OEM specifications and professional machine engineering standards using specialized diagnostic equipment and repair tools. Managed by the Department of Defense under Navsup Flc Jacksonville Erp, this project is designated as a Total Small Business Set Aside under NAICS code 336611. The solicitation was posted on November 3, 2026, with a response deadline of December 3, 2026.

Navsup Flc Jacksonville Erp

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Solicitation # 2127407B3000HE003

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BIG BLUE 3 MAC - N64498-26-Q-5284

Solicitation # N6449826Q5284

The BIG BLUE 3 MAC solicitation, identified by number N6449826Q5284, is issued by the Department of Defense through the Naval Surface Warfare Center Philadelphia Division. This procurement falls under NAICS code 336611, which pertains to the manufacturing of marine vessels and boats. The opportunity was posted on November 3, 2026, with a response deadline set for November 9, 2026. The contracting office is located in Philadelphia, Pennsylvania. Interested parties may coordinate with the primary point of contact, Anthony Ricciardi, for further inquiries. Detailed specifications and submission requirements can be accessed via the provided government portals.

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Propulsor Device Machining

Solicitation # N0016727Q1004

The Naval Surface Warfare Center Carderock Division (NSWCCD) is soliciting quotes for solicitation N0016727Q1004 to perform propulsor component machining for VIRGINIA Class propulsor devices. This firm-fixed-price contract is a total small business set-aside under NAICS 336611. The scope of work involves the fabrication of various piece parts, including body tubes, top caps, bottom caps, center masses, and shim rings. While the government provides raw materials for most components, the contractor is responsible for procuring mild steel ASTM A106 for the R4 shim rings. The period of performance extends from the date of award through July 18, 2027, with specific delivery dates for various line items requested by July 30, 2027. Award will be granted to the responsible quoter who provides a technically acceptable quote representing the best value, specifically the lowest evaluated price. Technical acceptability is determined on a pass/fail basis, and the government may consider past performance via the Supplier Performance Risk System (SPRS). Contractors must maintain a Quality Management System compliant with ANSI/ASQ/ISO 9001:2015 and meet CMMC Level 2 cybersecurity requirements. Deliverables include lot acceptance inspection results, certificates of conformance, and monthly progress reports. All parts must be cleaned with acetone and marked with unique item identifiers per MIL-STD-130 before being shipped to destinations in Bethesda, Maryland, or Kittery, Maine. Questions are due by November 4, 2026, and final quote packages must be submitted by November 12, 2026.

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Solicitation # 2127407B3000CF002

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USS OKANE (DDG-77); 7MRB0604 Standalone

Solicitation # N5523627R0007

The Southwest Regional Maintenance Center intends to award a competitive Firm-Fixed Price supply contract for the preservation, hull, mechanical, and electrical/electronic repairs of a Willard 7-meter Rigid Inflatable Boat (RIB), hull 7MRB0604, and its associated trailers for the USS OKANE (DDG-77). This total small business set-aside, categorized under NAICS code 336611, is anticipated to be solicited on November 18, 2026. The period of performance is approximately eleven months, beginning January 25, 2027, and concluding with craft delivery by October 22, 2027. Work must be performed at a contractor facility within a 50-mile radius of Naval Base San Diego. The scope of work includes comprehensive labor, supervision, and quality assurance to return the craft to mission-ready status. Key technical requirements involve the installation of a new 230 horsepower Framework 2.2 engine with associated electrical components, extensive surface preparation achieving 95 percent abrasion, and a like-new paint finish on all gel coated surfaces. The contractor is also responsible for procuring new boat trailers and installing a boat alteration placard. Compliance with NAVSEA Standard Items and NSTM Chapters 583 and 631 is required. Acceptance is contingent upon successful completion of contractor bay trials and a final two-hour government waterborne trial to verify all repairs.

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**Big Blue 3 MAC** Metal printer alterations will be completed onboard USS IWA JIMA (LHD 7), USS BOXER (LHD 4), LHD 8 (USS MAKIN ISLAND)

Solicitation # N6449826Q0054

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NextGen Submarine Rescue System (SRS) Post-Industry Day Informational Packet and RFI

Solicitation # N00024-27-R-6116

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USCG STA PANAMA CITY (45633) FY27 DRYDOCK REPAIRS

Solicitation # 70Z0U0327SSBPL8678

The U.S. Coast Guard Surface Force Logistics Center has issued a Sources Sought Notice and Request for Information under solicitation number 70Z0U0327SSBPL8678 to conduct market research for FY27 dry-dock repairs for the USCG STA PANAMA CITY (45633). This effort is intended as a total Small Business Set Aside under NAICS code 336611. The government is seeking to identify capable prime contractors who can provide the necessary facilities, materials, equipment, and personnel to perform comprehensive repairs at the contractor's own dry dock facility. Key work items include general welding, ultrasonic testing, hull plating and fendering system inspections, diesel fuel tank cleaning, and the removal and installation of engines, as well as preservation of the water jet drive and underwater body. Interested parties must be registered in the System for Award Management and are requested to provide business size certification, past performance evidence for similar projects, and a statement confirming their intent to submit a proposal as a prime contractor. Future award considerations will be based on economic factors and geographical and transit considerations, including overall distance, fuel stops, and berthing services, while adhering to geographical restrictions defined in LANTAREAINST 3100.1G. This notice is for market research purposes only, and no formal solicitation currently exists.

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USCGC HAMMER (WLIC 75302) USCG 68A BARGE (68014) DRYDOCK REPAIRS FY2027

Solicitation # 70ZU0127QPBPL0001

Solicitation 70ZU0127QPBPL0001 is a Request for Quotations issued by the Department of Homeland Security, Coast Guard, for the Fiscal Year 2027 drydock repairs of the USCGC HAMMER (WLIC 75302) and the USCG 68A Barge (68014). This is a Total Small Business Set-Aside under a Firm Fixed Price contract with a proposed period of performance from January 6, 2027, to March 17, 2027, contingent upon Congressional Appropriation. The contractor must provide a facility accessible from a navigable waterway in Jacksonville, Florida, capable of supporting the safe arrival and departure of the vessels. The scope of work encompasses comprehensive maintenance, preservation, and repair services, including hull plating renewal, ultrasonic side scan testing, propulsion shafting overhaul, tank preservation, and the renewal of sea valves and strainers. Specific requirements include the provision of an independent Level 3 NACE Inspector and adherence to SFLC Standard Specifications for welding, drydocking, and preservation. Award will be based on the most advantageous offer, evaluating technical capability, project planning, experience with DoD and USCG surface vessels, and price. Quotations are due by November 9, 2026, and must include a cover letter, price schedule, and documentation of past performance and technical capability.

CG-SEA-C21

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AI Contract Overview

Fleet Logistics Center Puget Sound is soliciting a firm-fixed-price contract for the installation of a port stern tube shaft seal assembly inflatable seal in Sasebo, Japan. This requirement is sole sourced to Defense Maritime Solutions Inc. due to proprietary vulcanizing processes for the MX9 shaft seal and the necessity of adhering to specific technical data and engineering drawings to prevent the installation of unauthorized spares on US Navy and MSC vessels. The on-site performance period is scheduled from October 13, 2026, through December 15, 2026, with an estimated contract value of 41,000 dollars. The government will evaluate offers based on price reasonableness and past performance as part of the responsibility determination. All work must comply with Job Specification 38KF324301-A01 and adhere to Japanese, Navy, Federal, State, and local environmental and safety regulations, including OSHA standards. Contractors are required to be registered in the System for Award Management and must utilize Wide Area WorkFlow for invoicing. Proposals are due by September 23, 2026, and should be submitted to Contracting Officer Kyle Singleton.

General Info

Sole source contract for Defense Maritime Solutions to install shaft seals in Sasebo.

Agency

Department Of Defense → Navsup Flt Logistics Ctr Puget Sound

NAICS

336611 - Ship Building and Repairing

Place of Performance

Set-Aside

NONE

Documents

rfq

High

justification-and-authorization

Low

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedSep 17

Combined Synopsis

Response DeadlineSep 23

Deadline has passed

Submission Closed

09/23/2026, 07:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → Navsup Flt Logistics Ctr Puget Sound

Contacts1 person available

OfficeBREMERTON, WA, 98314-5100, USA

Organization / AgencyDepartment Of Defense → Navsup Flt Logistics Ctr Puget Sound

Office AddressBREMERTON, WA, 98314-5100, USA

Contacts

Kyle Singleton

contact@example.gov

+1 (555) 000-0000

Full Description

Fleet Logistics Center Puget Sound (FLCPS) intends to solicit for the INSTALLATION OF THE PORT STERN TUBE SHAFT SEAL ASSEMBLY INFLATABLE SEAL.

This requirement is sole sourced to DEFENSE MARITIME SOLUTIONS INC. due to technical requirements not allowing deviation from specifications for materials presscribed and/or identified. Adherence to the technical data, engineering drawings and logistics documents are required to prevent unauthorized spares from being installed on board US Navy Ships and MSC Vessels. A determination not to compete this action based upon responses received to this notice is solely within the discretion of the Government.

The Government will evaluate the offeror’s price for reasonableness and past performance as part of the responsibility determination in accordance with RFO 12.203.

Anticipated Award Date: September / 2026

Contracting Officer: Kyle Singleton / contact@example.gov