This Government Contract opportunity from Department Of Defense was posted on September 16, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Precision Machining - Pipe Flanges

Closed

Federal

Submission Closed09/28/2026, 05:00:00 PM UTC

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

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NAICS: 332710

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DEADLINE

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Manufacturing of Tailpiece, Union (NSN 4730-01-651-0817)This subcontract involves the manufacture of 35 Tailpiece, Union units (NSN 4730-01-651-0817) for prime contractors supporting NAVSUP Weapon Systems Support projects. The scope of work requires precision machining and fabrication utilizing CNC equipment in strict accordance with Technical Data Package Version 002. The project is governed by NAICS code 332710 and falls under the jurisdiction of the Department of Defense. Critical compliance requirements include adherence to Special Emphasis Level I quality control, the Buy American Act, and DPAS DO ratings. All finished units must be packaged and marked according to MIL-STD-2073 and MIL-STD-129 standards, respectively. Final delivery is designated as FOB Destination to Portsmouth NSY.

Navsup Weapon Systems Support Mech

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DEADLINE

Rapid Prototyping & Specialized Housing FabricationThis subcontract opportunity with the U.S. Navy involves the fabrication of low-cost physical housings and frames for prime contractors working on Office of Naval Research HUD projects. The scope of work requires the delivery of physical prototype housings and frames produced through CNC machining, injection molding, or SLA/FDM 3D printing. Materials used must include aerospace-grade plastics and lightweight polymers, with all production adhering to standard manufacturing tolerances. The project is designated as a total small business set-aside under the SBIR/STTR mandate, requiring the contractor to have fewer than 500 employees. Interested parties must respond by November 25, 2026. The contract falls under NAICS code 332710 and is managed through the U.S. Department of Defense.

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Precision Parts Supply for Torque Assist AssemblyThis subcontract, titled Precision Parts Supply for Torque Assist Assembly, involves the procurement of high-tolerance mechanical components, fasteners, and replacement parts necessary for repairing Torque Assist Assemblies under NSN 2040-01-088-4976. Supporting prime contractors on Department of the Navy projects, the contract is managed by the Navsup Weapon Systems Support Mech within the Department of Defense under NAICS code 332710. The supplier is required to source domestic end products and critical components in strict accordance with FAR 25.105, providing formal certification of domestic origin for all critical items. The scope of work concludes with the delivery of these certified replacement components directly to the designated repair facility. The response deadline for this opportunity is December 4, 2026.

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Portable Optical Head Enclosure FabricationThis 8(a) sole source subcontract involves the design and fabrication of a single self-contained, portable enclosure for the Department of the Air Force. The project requires the use of aircraft-grade aluminum and precision machining to create a protective housing that ensures the stability of an internal optical train. To meet specific vibration immunity requirements, the contractor must integrate specialized vibration-dampening mounts into the final assembly. The work will be performed at Wright Patterson AFB under NAICS code 332710. The procurement process began with a posting on October 28, 2026, with a response deadline set for November 2, 2026. The final deliverable for this effort is one completed portable optical head enclosure.

Department Of The Air Force

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DEADLINE

Precision Machining & Housing FabricationThis subcontract, titled Precision Machining and Housing Fabrication, is issued by the Department of Defense through the Navsup Weapon Systems Support Mech. The project involves the manufacture of structural housings, casings, and precision-machined mechanical components intended for prime contractors working on actuator projects. The scope of work requires the use of high-precision CNC milling, turning, and grinding to produce finished housings and mechanical sub-assemblies using aerospace-grade alloys. All production must strictly adhere to the tolerances specified in TDP Version 008 and reference number 7104048-19, while following design standards for Cage Codes 53711 or 38597. The opportunity falls under NAICS code 332710 and was posted on October 28, 2026, with a response deadline of November 27, 2026.

Navsup Weapon Systems Support Mech

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Advanced Power Source Prototype FabricationThe Advanced Power Source Prototype Fabrication is a subcontract opportunity with the U.S. Air Force under the Department of Defense. The project focuses on the fabrication of physical housings, casings, and integrated circuitry for Advanced Reserve Power Source Technologies. Required services include precision machining, 3D printing of specialized housings, and PCB assembly for power management systems, all utilizing aerospace-grade materials and adhering to strict tolerances to deliver physical prototype assemblies or components. This opportunity is designated as a Total Small Business Set-Aside under the SBIR/STTR mandate, restricted to firms with fewer than 500 employees. It falls under NAICS code 332710. The solicitation was posted on October 28, 2026, with a response deadline of November 25, 2026.

POSTED

DEADLINE

Precision Component Machining/FabricationThis subcontract for Precision Component Machining/Fabrication supports US Navy NAVSUP Weapon Systems Support projects through the fabrication and machining of replacement pump components. The scope of work includes the production of impellers, shafts, and housings using high-grade alloys. All work must be performed to OEM specifications and TDP Version 005, utilizing precision CNC milling, turning, and grinding equipment. The selected provider is responsible for delivering the finished machined replacement components along with comprehensive quality control documentation for all parts. This effort falls under NAICS code 332710 and is managed under the Department of Defense.

Navsup Weapon Systems Support Mech

POSTED

DEADLINE

Prototype Component Fabrication / Specialized ManufacturingThis subcontract, titled Prototype Component Fabrication / Specialized Manufacturing, is issued by the Office of the Secretary of Defense for Department of War C-UAS Rapid Maturation projects. The scope of work involves the fabrication of specialized hardware components, sensors, and materials for prime contractors, specifically requiring precision machining, PCB fabrication, 3D printing of specialized housings, and the supply of high-frequency antennas. All deliverables must be manufactured to tight tolerances and provided as physical prototype components. The opportunity is designated as a Total Small Business Set-Aside under NAICS code 332710, specifically mandating SBIR/STTR compliance for firms with fewer than 500 employees. The solicitation was posted on October 28, 2026, with a response deadline of November 25, 2026.

Office of the Secretary of Defense

POSTED

DEADLINE

Supply of Replacement Parts and Seal Kits for Cylinder Assembly, AThis subcontract involves the supply of replacement parts, seals, O-rings, and hardware for cylinder assemblies supporting Navsup Weapon Systems Support Mech projects. The contractor is responsible for sourcing OEM or approved equivalent components that meet the specific functional requirements of CAGE 34712 and specifications for NIIN 015111508. Key deliverables include precision-machined components and high-pressure seals provided as certified replacement parts and repair kits. The contract mandates strict adherence to MIL-STD-2073 packaging standards and compliance with the Buy American and Balance of Payments programs. Operating under NAICS code 332710, the project is managed by the Department of Defense. Interested parties must submit responses by November 12, 2026.

Navsup Weapon Systems Support Mech

POSTED

about 5 hours ago

DEADLINE

in 15 days

AI Contract Overview

This subcontract involves the precision machining and fabrication of 6-inch nominal pipe flanges for prime contractors supporting the Department of Defense Fluid Handling Division. The work requires the use of CNC lathes and precision milling machines to ensure all components meet the specific dimensions outlined in paragraph 7.3 of the technical drawing, adhering to NSN 4730-01-463-5649 tolerances and MIL-PRF-20042 standards. The project is categorized under NAICS code 332710 and will be performed in Bremerton, Washington. Interested parties must respond by September 28, 2026, to provide the finished pipe flanges as specified in the technical requirements.

General Info

Precision machining of 6-inch pipe flanges for DoD, due September 28, 2026.

Agency

Department Of Defense → FLUID HANDLING DIVISION

NAICS

332710 - Machine Shops

Place of Performance

BREMERTON, WA, 98314-6001, USA

Set-Aside

NONE

Documents

This scope was carved out of SPE7M3-26-T-9184.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

FLANGE, PIPE

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Timeline

PhaseClosed

PostedSep 16

subcontract

Response DeadlineSep 28

Deadline has passed

Submission Closed

09/28/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → FLUID HANDLING DIVISION

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → FLUID HANDLING DIVISION

Office AddressN/A

ContactsNo contact information available

Full Description

Performs machining and fabrication of 6-inch nominal pipe flanges for prime contractors on DLA Fluid Handling Division projects. Machines flanges to dimensions specified in paragraph 7.3 of the technical drawing using CNC lathes and precision milling machines to meet NSN 4730-01-463-5649 tolerances and MIL-PRF-20042 standards. Delivers finished 6-inch nominal pipe flanges.

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Precision Machining - Pipe Flanges

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Full Description

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