This Subcontract opportunity from Department Of Defense was posted on October 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Aerospace Grade Material Supply (Diaphragm Stock)

Closed

Federal

Submission Closed10/23/2026, 12:00:00 PM CDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 331210

New

SLED

ANNUAL CONTRACT FOR CARBON STEEL PIPE AND ACCESSORIES FOR PUBLIC WORKS DEPARTMENT

Solicitation # 6100019820

The City of San Antonio is soliciting bids for an annual contract for the purchase and delivery of carbon steel pipe and accessory parts to support the maintenance and repair of city highways, streets, and bridges. The scope includes handrail pipes in various sizes from 1.5 to 4.0 inches, as well as 45-degree and 90-degree elbows and tees. All materials must strictly adhere to ASTM A53 PE Specifications and Item 509 of the June 2008 City of San Antonio Standard Specifications for Construction. Specifically, pipes must be Schedule 40, 21 feet in length with non-threaded ends, and fittings must be non-threaded, Schedule 40, and long radius. The contract will be awarded to the lowest responsible bidder based on low line item, low total line items, or a combination that serves the city's best interest. Bidders must submit their proposals electronically via the SAePS Portal by November 13, 2026, and must complete the Certified Vendor Registration process. Award evaluation may also consider the bidder's facilities, equipment, and offered prompt payment discounts. Selected vendors are required to provide inside delivery to specified locations within 21 calendar days of a purchase order issuance. Administrative requirements include maintaining specific insurance coverages, such as Workers Compensation and Commercial General Liability, with an A.M. Best rating of at least A- (VII). The contract incorporates a Producer Price Index price adjustment clause and requires compliance with the city's non-discrimination and SBEDA policies. Invoicing must be submitted electronically in PDF format to the accounts payable department and must include a valid 10-digit purchase order number starting with 45 or 80.

POSTED

DEADLINE

Raw Material Supply for NSN 5355-01-191-0559This subcontract involves the supply of raw material stock to prime contractors for the manufacture of Knob NSN 5355-01-191-0559, supporting the DLA Weapons Support Land Supply Chain under the Department of Defense. The selected provider is responsible for sourcing materials that strictly adhere to the chemical and physical properties defined in the part standard and delivering the stock directly to the manufacturer. To ensure quality and regulatory adherence, the provider must furnish Material Certifications and Mill Test Reports, which are essential for maintaining traceability and confirming compliance with the Buy American Act. The performance of this contract is centered at Tinker AFB, with a response deadline set for November 16, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

Specialized Metal Tubing SupplyThis subcontract involves the supply of specialized raw metal tubing for prime contractors supporting DLA Weapons Support projects under the Department of Defense. The provider is responsible for sourcing and delivering metal stock that adheres to BAE Systems P/N 12364539 material grades, ensuring all deliveries are made to the manufacturer. A critical requirement of the agreement is the provision of full material traceability and Mill Test Reports to verify quality. Additionally, all supplied materials must strictly comply with the Buy American Act and the Berry Amendment. Performance for this contract is centered in New Cumberland.

DLA WEAPONS SUPPORT LSO COMBAT VEHICLES AND ARMAMENT

POSTED

DEADLINE

Raw Material Supply for Shaft CouplingsThis subcontract for Raw Material Supply for Shaft Couplings supports the DLA Weapons Support Land Supply Chain under the Department of Defense. The selected provider will supply certified raw metal stock, such as bars, billets, or forgings, ensuring all materials adhere to the chemical and physical properties specified in technical drawings. Deliveries must be made to the fabrication facility in New Cumberland, Pennsylvania, and must be accompanied by Material Test Reports and Certificates of Conformance. To be eligible, contractors must maintain ISO 9001 certification and ensure full compliance with ITAR and EAR regulations. The solicitation was posted on November 6, 2026, with a response deadline of November 16, 2026. This procurement falls under NAICS code 331210 and is intended for prime contractors managing these specific defense supply chain projects.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

Specialized Metal Stock SupplyThis subcontract, titled Specialized Metal Stock Supply, involves the sourcing and cutting of steel, aluminum, or alloy stock for prime contractors supporting the DLA Weapons Support Land Supply Chain. The supplier is responsible for providing raw metal stock cut to size according to the technical data package for NSN 5340-01-463-6227 and delivering the materials directly to the manufacturer in New Cumberland. To ensure quality and regulatory adherence, the contractor must provide Material Test Reports or Certificates of Conformance to verify the origin and grade of the metal. Additionally, the supplier is required to submit documentation proving compliance with the Buy American Act. The opportunity is categorized under NAICS code 331210, with a response deadline of November 16, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

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DEADLINE

Raw Material Supply for Valve DiskThis subcontract involves the supply of certified raw metal stock for valve disks to support prime contractors on projects for DLA Distribution San Joaquin. The provider is responsible for sourcing alloys that strictly adhere to the chemical and physical properties specified for NSN 4820-01-479-4627 as outlined in the DLA Master List. All deliveries must be accompanied by Material Test Reports and Certificates of Conformance to verify quality and specifications. The contract mandates strict compliance with the Buy American Act and requires that all materials be mercury-free. Performance for this requirement will take place in Tracy, California, under NAICS code 331210. The solicitation was posted on November 6, 2026, with a response deadline of November 16, 2026.

POSTED

DEADLINE

Forging-Grade Metal SupplyThis subcontract, titled Forging-Grade Metal Supply, involves the provision of high-grade raw metal stock for prime contractors working on DLA Weapons Support Fluid Handling Division projects. The supplier is required to deliver certified materials that meet the specific chemical and physical requirements of TDP Rev A Gen 1, accompanied by Mill Test Reports verifying the origin and composition of the alloys. All deliveries must be made directly to the designated forging facility located at Hill AFB. The opportunity is designated as a Total Small Business Set-Aside under NAICS code 331210 and requires strict adherence to the Buy American Act and the Berry Amendment. Interested parties must submit their responses by November 16, 2026, to support the Department of Defense agency requirements.

DLA WEAPONS SUPPORT FLUID HANDLING DIVISION

POSTED

DEADLINE

Stainless Steel Raw Material SupplyThis subcontract involves the supply of certified stainless steel raw material to prime contractors supporting DLA Weapons Support projects. The materials must strictly adhere to NSN 3040-01-248-5219 specifications, and the provider is required to submit Mill Test Reports to verify that the grade and origin of the steel comply with the Buy American and Balance of Payments Program. Managed under the Department of Defense for the DLA Weapons Support Land Supplier Operations Vehicle Support agency, the contract falls under NAICS code 331210. Performance for this requirement is located in Tracy, California, with a response deadline set for November 16, 2026.

DLA WEAPONS SUPPORT LAND SUPPLIER OPNS VEHICLE SPT

POSTED

DEADLINE

Metal Tube Assembly Supply (NSN 4710-01-213-8756)This subcontract involves the manufacture and supply of metal tube assemblies, specifically NSN 4710-01-213-8756, for prime contractors supporting the Department of Defense DLA Weapons Support Fluid Handling Division. The selected provider must utilize metal fabrication equipment and materials that strictly adhere to the technical specifications associated with the identified national stock number. Performance will take place in New Cumberland, Pennsylvania, with deliveries conducted under FOB Origin terms. To be eligible and compliant, the contractor must maintain an active SAM registration and utilize the Wide Area Workflow system for all invoicing processes. The opportunity falls under NAICS code 331210, with a response deadline set for November 16, 2026.

DLA WEAPONS SUPPORT FLUID HANDLING DIVISION

POSTED

DEADLINE

Supply of Certified Nickel Alloy Raw MaterialThis subcontract, managed by the Department of Defense through the DDSP New Cumberland Facility, involves the supply of certified nickel alloy raw material for prime contractors working on DLA Weapons Support projects. The scope of work includes providing bars, billets, or forgings that meet the specific grade requirements for NSN 4820012733334. A critical safety and quality requirement is the total absence of mercury or mercury-containing compounds within the supplied materials. The selected provider is responsible for delivering the certified raw material directly to the fabricator and must provide comprehensive Material Test Reports and certifications of compliance in accordance with the Buy American Act. This procurement falls under NAICS code 331210, with performance taking place in New Cumberland, Pennsylvania.

DDSP NEW CUMBERLAND FACILITY

POSTED

DEADLINE

Supply of Raw Material for V-Band CouplingsThis subcontract involves the supply of certified raw metal stock, specifically high-grade alloy or stainless steel, for prime contractors working on DLA Weapons Support Land Supply Chain projects. The materials must be compliant with the Buy American Act and DLA Master List requirements for NSN 5340-00-159-4562. The scope of work includes providing full material traceability and Mill Test Reports, with final delivery of the certified stock to the manufacturer. The project is managed under NAICS code 331210 for the Department of Defense and is centered in Texarkana, Texas. Interested parties must adhere to the response deadline of November 16, 2026, to provide the necessary raw materials for the production of V-Band Couplings.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

Raw Material Supply for Shoulder ScrewsThis subcontract involves the supply of certified raw metal stock for prime contractors working on projects for the DLA Weapons Support ASC Commodities Division under the Department of Defense. The scope of work requires the sourcing and delivery of high-grade alloy or specialty steel bar stock that strictly adheres to the chemical and physical properties specified for NSN 5305-01-666-6490. To ensure quality and compliance, the provider must furnish Material Test Reports and Certificates of Conformance with the delivered materials. The project falls under NAICS code 331210 and is designated for performance in New Cumberland. Interested parties should note the posting date of November 6, 2026, with a response deadline set for November 13, 2026. This procurement focuses on the critical delivery of certified raw materials necessary for the production of shoulder screws.

DLA WEAPONS SUPPORT ASC COMMODITIES DIVISION

POSTED

2 days ago

DEADLINE

in 5 days

AI Contract Overview

This subcontract involves the supply of raw aerospace-grade alloys, elastomers, or composites required by prime contractors for the manufacture of Diaphragm Assembly PN 96D59-1 under the DLA Weapons Support ASC. The selected supplier is responsible for sourcing and certifying all materials in accordance with the DLA Master List of Technical and Quality Requirements and must provide comprehensive mill test reports for all delivered stock. The contract mandates strict adherence to the Buy American Act and the Berry Amendment. Performance will take place at Tinker AFB, and the procurement falls under NAICS code 331210. Interested parties must submit their responses by October 23, 2026.

General Info

Supply aerospace materials for Diaphragm Assembly PN 96D59-1 at Tinker AFB by October 2026.

Agency

Department Of Defense → DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

NAICS

331210 - Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Place of Performance

TINKER AFB, OK, 73145-8000, USA

Set-Aside

NONE

Documents

This scope was carved out of SPE4A5-27-T-1235.

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

View the prime solicitation

DIAPHRAGM ASSEMBLY

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Timeline

PhaseClosed

PostedOct 15

subcontract

Response DeadlineOct 23

Deadline has passed

Submission Closed

10/23/2026, 12:00:00 PM CDT

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Organization & Contact Information

AgencyDepartment Of Defense → DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → DLA WEAPONS SUPPORT ASC SUPPLIER OPER OEM DIVISION

Office AddressN/A

ContactsNo contact information available

Full Description

Supplies raw aerospace-grade alloys, elastomers, or composites for prime contractors on DLA Weapons Support ASC projects to manufacture Diaphragm Assembly PN 96D59-1. Sources and certifies materials per the DLA Master List of Technical and Quality Requirements and provides mill test reports. Must comply with the Buy American Act and Berry Amendment. Delivers certified raw material stock.