This Government Contract opportunity from Department Of Defense was posted on July 30, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Precision Machining and Assembly of Piston and Ring Units

Closed

Federal

Submission Closed08/10/2026, 05:00:00 PM UTC

Contract Overview

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

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NAICS: 332613

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DIBBS

Supply of Spring-Loaded Shaft Seal AssembliesThis subcontract involves the supply of 5,000 spring-loaded shaft seal assemblies to support DLA maritime supply chain contracts. The required components must match NSN 4320013670755 and Manufacturer Part Number 5290-4017 from Fluid Conditioning Products, Inc. Due to their designation as Critical Application Items, all assemblies must strictly adhere to manufacturer specifications. The contract is managed under the Department of Defense for the DLA Weapons Support Maritime Supply Chain ESOC Buys, with performance taking place in Mayport, Florida. Delivery terms are established as FOB Origin. The solicitation was posted on October 28, 2026, with a response deadline of November 9, 2026, falling under NAICS code 332613.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN ESOC BUYS

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DEADLINE

Precision Helical Compression Spring FabricationThis subcontract involves the precision fabrication of four helical compression springs for the Department of Defense under the DLA Weapons Support Land Supply Chain. The manufacturer must produce the components in strict accordance with Basic Drawing NR 19206 7144099 Revision H and Reference Drawing NR 1NUW7 7309998 Revision G, ensuring the final delivery of items under NSN 5360-00-714-4099. Quality assurance is a critical component of the agreement, requiring zero non-conformances per MIL-STD-105/ASQ Z1.4 and a guarantee that the materials are free of mercury. Additionally, the contractor must maintain CMMC Level 2 compliance to meet security standards. The solicitation was posted on October 28, 2026, with a response deadline of November 4, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN ESOC BUYS

POSTED

DEADLINE

Supply of Precision Spring (NSN 5360-00-465-7280)This subcontract involves the manufacture or procurement of one specialized precision spring conforming to technical data for NSN 5360-00-465-7280. The project supports prime contractors working with the Department of Defense under the DLA Weapons Support Land Supply Chain. Performance of the contract requires strict adherence to the Buy American Act, the Berry Amendment, and hazardous material labeling standards as outlined in 29 CFR 1910.1200. The opportunity is categorized under NAICS code 332613 and was posted on October 28, 2026, with a response deadline of November 9, 2026. The place of performance is designated as FPO 96349. The primary objective is the delivery of a single spring that meets all specified national stock number requirements.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

Precision Flat Spring Fabrication (NSN 5360-01-107-2111)This subcontract involves the fabrication of 38 critical application flat springs, identified by NSN 5360-01-107-2111, for the DLA Weapons Support Maritime Supply Chain. The selected manufacturer must produce the springs according to the specific dimensions and tolerances outlined in drawing NR 81755 and ensure the delivery of First Article Testing within 90 days. Performance will take place in Greensboro, North Carolina. To qualify, the contractor must possess precision spring winding equipment and maintain CMMC Level 2 certified systems. Strict adherence to ITAR and EAR compliance is required for this Department of Defense project. Interested parties must respond by November 5, 2026.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

DEADLINE

Manufacturing of Critical Application Helical Compression SpringsThis subcontract, issued by the Department of Defense for the DLA Weapons Support Nuclear Reactor Program, requires the manufacture of 382 helical compression springs under Part Number 744429-A00 and NSN 5360-01-389-0064. The project involves using precision winding and coiling machinery to deliver finished and tested units. This is a Total Small Business Set-Aside under NAICS code 332613, with performance taking place in Phoenix, Arizona. The contractor must strictly adhere to DLA Master List RA001 quality standards and NIST SP 800-171 cybersecurity requirements. Additionally, the manufacturing process must be free of mercury and hexavalent chromium. Interested parties must respond by November 9, 2026.

DLA WEAPONS SUPPORT NUCLEAR REACTOR PROGRAM

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DEADLINE

Helical Compression Spring SupplierThis subcontract involves the manufacture and delivery of one Helical Compression Spring for the DLA Weapons Support Land Supply Chain. The supplier must produce the component according to NSN 5360-01-335-3340 specifications and the DLA Master List of Technical and Quality Requirements. Strict adherence to the Buy American Act and the Berry Amendment is required for all material sourcing, and the supplier must provide full supply chain traceability documentation. The completed spring is to be delivered FOB Destination to the USS William P Lawrence DDG 110. This requirement falls under NAICS code 332613, with a response deadline set for November 9, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

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Spring Steel/Wire SupplyThis subcontract involves the supply of high-grade spring steel or alloy wire to prime contractors supporting the DLA Weapons Support Land Supply Chain. The provider is responsible for delivering raw stock that strictly adheres to NSN 5360-01-346-2287 material specifications, accompanied by Mill Test Reports to verify compliance with all applicable defense standards. The contract mandates strict adherence to the Buy American Act and the Berry Amendment to ensure domestic sourcing of all materials. Performance for this requirement is centered in Fort Benning, Georgia, under NAICS code 332613. Interested parties must submit responses by November 9, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

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Helical Compression Spring FabricationThis subcontract involves the fabrication of one helical compression spring for the DLA Weapons Support Land Supply Chain. The manufacturer must produce the part according to NSN 5360-01-346-2287 specifications and the DLA Master List of Technical and Quality Requirements (RA001), utilizing specialized spring winding, coiling, and heat treatment equipment. The project is managed under the Department of Defense and requires strict compliance with the Buy American Act and the Berry Amendment. Performance will take place in Fort Benning, Georgia, with a response deadline set for November 9, 2026.

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Supplier of MIL-DTL-16878/3C(1) Electrical WireThis subcontract involves the supply of specialized electrical wire, specifically NSN 6145-00-823-2922, for prime contractors supporting the DLA Weapons Support Maritime Supply Chain. The manufacturer must produce the wire in continuous 500 foot spools in strict accordance with MIL-DTL-16878/3C(1) Revision C. Performance takes place in Fort Stewart, and the supplier is required to maintain NIST SP 800-171 compliance to ensure data security. The contract mandates strict adherence to the Buy American Act and the Berry Amendment. Additionally, all products must be packaged and marked according to MIL-DTL-12000, MIL-STD-2073-1E, and MIL-STD-129 standards. Interested parties must respond by November 9, 2026, under NAICS code 332613.

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POSTED

DEADLINE

Precision Spring Tension Washer (NSN 5310-01-729-0567)This subcontract involves the procurement of one critical application precision spring tension washer, identified by NSN 5310-01-729-0567, to support prime contractors under DLA Weapons Support contracts. The selected provider is responsible for manufacturing or sourcing washers that are compatible with part numbers from Electric Boat Corporation and Key Bellevilles Inc. as specified in the DLA Master List. The contractor must adhere to strict quality assurance and logistics standards, performing sampling according to MIL-STD-1916 or ASQ H1331, and ensuring packaging and marking comply with MIL-STD-2073-1E and MIL-STD-129. The final product is to be delivered to Stonington, Connecticut. This opportunity is managed by the Department of Defense under NAICS code 332613, with a response deadline of November 11, 2026.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

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Solicitation # SPE4A6-27-T-7399

Solicitation SPE4A6-27-T-7399, issued by the Defense Logistics Agency, is for the procurement of spring pins under NSN 5315-00-857-6889. The requirement consists of two line items with a total quantity of three units. The items must conform to technical specifications NASM171401 through 171900, specifically part piece number NASM171605. Delivery is required within five days of award, with an original required delivery date of October 23, 2026. Shipping is established as FOB Origin under the First Destination Transportation program, with the final delivery destination located in Solomons, Maryland. The contract mandates strict packaging and marking standards, requiring compliance with MIL-STD-2073-1E and MIL-STD-129. Specifically, each fastener must have the entire length of the shank and threads protected by a wrap or sleeve, and the use of mercury or mercury compounds in packaging is prohibited. Inspection and acceptance will occur at the destination per FAR 52.246-2. Invoicing and receiving reports must be processed electronically through the Wide Area WorkFlow system. Offerors must comply with domestic material restrictions, including the Buy American Act and the Berry Amendment, and provide necessary representations regarding small business status and cybersecurity compliance under DFARS 252.204-7012.

Defense Logistics Agency

POSTED

DEADLINE

Solicitation # SPE7M1-27-Q-0063

Solicitation SPE7M1-27-Q-0063 is a small business set-aside request for quotations issued by the Defense Logistics Agency Weapons Support Maritime Supply Chain for the procurement of 38 flat springs, identified by NSN 5360-01-107-2111. The items are designated as critical application items and must be manufactured in accordance with reference drawing NR 81755. Delivery is required within 248 days after receipt of order to a facility in Greensboro, North Carolina. Inspection and acceptance will occur at the source of origin. The contract mandates strict quality and security compliance, including first article testing where the contractor must deliver one unit within 90 calendar days of award. Technical data is subject to export control under ITAR or EAR regulations, and the contractor must meet CMMC Level 2 certification requirements. Packaging must adhere to ASTM D3951 and RP001, with marking and labeling following MIL-STD-129 and MIL-STD-130N. Invoicing and receiving reports must be processed electronically through the Wide Area WorkFlow system.

DLA WEAPONS SUPPORT MARITIME SUPPLY CHAIN

POSTED

about 3 hours ago

DEADLINE

in 8 days

AI Contract Overview

The contract seeks a small business to manufacture and perform final assembly of high-precision piston and ring assemblies meeting military specifications for use in turbine systems. Work includes comprehensive CNC machining, rigorous inspection protocols, and functional testing to ensure performance and reliability under demanding operational conditions. The requirement is issued as a subcontract under a Total Small Business Set-Aside, meaning only small businesses registered with the SBA are eligible to respond, reinforcing the Department of Defense’s commitment to supporting small business participation in critical defense supply chains. The solicitation, tied to NAICS code 332613 for small arms and ordnance manufacturing and repairing, is managed by LAND SUPPLIER OPNS ENGINES under the Department of Defense. Responses must be submitted by August 10, 2026, with performance expected to occur in Tracy, California, at the specified zip code. The contract emphasizes adherence to military standards throughout fabrication, inspection, and testing phases, with no alternative sourcing allowed unless explicitly authorized. The work requires proven capability in precision machining of high-tolerance components and documented experience with defense-grade quality control systems.

General Info

Small business to manufacture high-precision piston and ring assemblies per military specs for turbine systems in Tracy, California, by August 10, 2026.

Agency

Department Of Defense → LAND SUPPLIER OPNS ENGINES

NAICS

332613 - Spring Manufacturing

Place of Performance

TRACY, CA, 95304-5000, USA

Set-Aside

SBA

Documents

This scope was carved out of SPE7L5-26-T-4699.

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

View the prime solicitation

PISTON AND RING ASS

AI Contract Breakdown

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Timeline

PhaseClosed

PostedJul 30

subcontract

Response DeadlineAug 10

Deadline has passed

Submission Closed

08/10/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → LAND SUPPLIER OPNS ENGINES

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → LAND SUPPLIER OPNS ENGINES

Office AddressN/A

ContactsNo contact information available

Full Description

Manufacture and final assembly of high-precision piston and ring assemblies per military specifications, including CNC machining, inspection, and functional testing for turbine systems.