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Hydraulic Accumulator_End_Item_KC-135_NSN_1650-00-640-8485_PN_M5498-1

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FD20302700112Federal

Contract Overview

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

AI Contract Overview

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The U.S. Air Force, through the 423rd Supply Chain Management Squadron at Tinker Air Force Base, is conducting market research to identify potential sources for the new manufacture of the Hydraulic Accumulator with NSN 1650-00-640-8485 and Part Number M5498-1, intended for use on the KC-135 platform. This effort is a Sources Sought synopsis under FAR Part 10, not a solicitation or procurement action, and no contract award is anticipated based on responses. The Government seeks to determine if the requirement for 33 units can be competitively sourced and whether it is suitable for a Small Business Set-aside, and is interested in submissions from all types of businesses including Small, Small Disadvantaged, 8(a), Service-Disabled Veteran-Owned, HUBZone, and Women-Owned Small Businesses. Respondents must be capable of managing full production cycles including component procurement, inspection, testing, packaging, shipping, and addressing supply chain challenges such as diminishing manufacturing sources and long-lead parts acquisition, with potential responsibility for nonrecurring engineering costs to qualify as an approved source. The procurement is classified under Federal Stock Class 1650 and NAICS Code 336413, which carries a size standard of 1,250 employees. The place of performance is Tinker AFB, Oklahoma, and all communications must be directed to the designated workflow email, 423scms.guea.workflow@us.af.mil. Interested parties must actively select the "ADD ME TO INTERESTED VENDORS" button to participate; responses outside this mechanism will not be acknowledged. The market research window opened on August 4, 2026, and closes on August 12, 2026, with all timestamps in Central Standard Time. No funding is currently available for this research phase, and the resulting data will solely inform the Air Force’s future acquisition strategy, including possible separation of requirements by airframe. Any solicitations or contracts for this item will be issued separately in the future.

General Info

U.S. Air Force seeks sources for new hydraulic accumulator for KC-135, exploring small business set-aside and production capabilities.

Agency

Department Of Defense → Ok DLA Aviation At Oklahoma CityView Agency

NAICS

336413 - Other Aircraft Parts and Auxiliary Equipment ManufacturingView NAICS

Place of Performance

OK

Set-Aside

NONE

Documents

(1)

MSS_1650-00-640-8485_PR+FD20302700112.pdf

PDF

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Timeline

PhaseSources Sought
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Sources Sought

Response Deadline

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Organization & Contact Information

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AgencyDepartment Of Defense → Ok DLA Aviation At Oklahoma City
Contacts1 person available
OfficeTINKER AFB, OK, 73145-3070, USA
Organization / Agency
Department Of Defense → Ok DLA Aviation At Oklahoma City
View Agency Profile
Office AddressTINKER AFB, OK, 73145-3070, USA
Contacts
Workflow
contact@example.gov

Full Description

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PLEASE SEE ATTACHED DOCUMENT FOR MORE INFORMATION.


Spares Procurement of: Hydraulic Accumulator


Platform: KC-135


NSN: 1650-00-640-8485
P/N: M5498-1


Notice ID (PR#): FD20302700112


AMC/AMSC: 1/T


Department/Ind. Agency: DEPT OF DEFENSE
Sub-tier: DEPT OF THE AIR FORCE
Major Command: AFMC
Sub Command: AIR FORCE SUSTAINMENT CENTER
Office: 423rd SCMS


GENERAL INFORMATION


• Contract Opportunity Type: Sources Sought (Original)
• All Dates/Times are: (UTC-05:00) CENTRAL STANDARD TIME, CHICAGO, USA


Classification


• Federal Stock Class (manufacture): 1650
• NAICS Code: 336413


The proposed North American Industry Classification Systems (NAICS) Code has a corresponding Size Standard of 1,250 employees. The Government is interested in all businesses to include, Large Business, Small Business, Small Disadvantaged Businesses 8(a)s, Service-Disabled Veteran-Owned Small Businesses, Hubzone Businesses, and Women-Owned Small Businesses.


• Place of Performance: Tinker AFB, OK 73145 USA


CONTACT INFORMATION


Organization: 423rd SCMS
Workflow Email: 423scms.guea.workflow@us.af.mil
SEND RESPONSES HERE


PURPOSE/DESCRIPTION


INTERESTED SOURCES MUST SELECT “ADD ME TO INTERESTED VENDORS” BUTTON ABOVE OR BELOW TO BE CONSIDERED PARTICIPANTS IN THIS MARKET RESEARCH EFFORT.


THERE IS NO SOLICITATION AVAILABLE AT THIS TIME. REQUESTS FOR A SOLICITATION WILL NOT RECEIVE A RESPONSE.


This Sources Sought Synopsis (SSS) is in support of Market Research being conducted by the United States Air Force to identify potential Spares Procurement sources for the requirements identified below and to determine if this effort can be competitive or a Small Business Set-Aside. The Government may consider breaking the requirement out by airframe. This is not a Request for Proposal (or solicitation) or an indication that a contractual commitment will exist for this requirement. The government does not intend to award a contract on the basis of this market research. No funds are available to fund the information solicited.


The Government will use the information gathered through publication of this SSS to determine the best acquisition strategy for this requirement. The Government is interested in all potential sources including Small Businesses, Small Disadvantaged Businesses, 8(a) businesses, Service-Disabled Veteran-Owned Small Businesses, HUBZone Small Businesses, Women-Owned Small Businesses, etc.


The 423rd SCMS Supply Chain Management Squadron located at Tinker Air Force Base is requesting information, pursuant to FAR PART 10, in support of Market Research to identify potential sources for the Spares Procurement of the NSN(s) listed below.


REQUIREMENTS


Potential sources shall be capable of furnishing all labor, materials, facilities and equipment required to accomplish the new manufacture of the item(s) listed below. Generally, this entails the procurement/manufacture of component parts, inspection, testing, preservation/packaging, and shipping. Additionally, potential sources may be responsible for supply chain management, logistics planning, forecasting production requirements, long-lead time parts procurement, diminishing manufacturing sources and material shortage issues, and shipping serviceable assets. The unit prices will be established at the time of a contract award for the item(s) listed below.


Potential sources may be responsible for nonrecurring engineering costs associated with becoming an approved source. The spares requirement for this effort is identified below:


Part Number: M5498-1
NSN: 1650-00-640-8485
Estimated Spares Requirement: 33ea


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Federal
Raw Material Supply (Metal Alloys or Forgings)The contract seeks the supply of certified alloy steel, aluminum, or titanium forgings to be used in the manufacturing of aerospace access components, targeting high-performance applications within the defense sector. The materials must meet strict quality and certification standards appropriate for aerospace use, ensuring structural integrity and compliance with industry specifications. The procurement is structured as a subcontract under NAICS code 331110, indicating a focus on iron and steel mills and ferroalloy manufacturing, and is managed by the Department of Defense through the Ok DLA Aviation office in Oklahoma City. The solicitation was posted on August 3, 2026, with a firm response deadline of August 11, 2026, at 4:59 a.m. EST, leaving a limited window for qualified suppliers to submit proposals. There is no specified set-aside designation, meaning the opportunity is open to all eligible contractors regardless of size or certification status. The place of performance has not been detailed, suggesting delivery may be required to multiple or unspecified defense manufacturing sites under DoD oversight. Suppliers must be prepared to meet rigorous traceability, inspection, and documentation requirements for the certified metals to support aerospace certification and accountability processes.
Iron and Steel Mills and Ferroalloy Manufacturing

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NAICS: 332813
New
Federal
Heat Treating and Material ProcessingThis contract pertains to the application of advanced heat treating and material processing techniques including carburizing, nitriding, and hot isostatic pressing to improve the mechanical properties of components used in aerospace applications. The work is intended to enhance material strength, durability, and performance under extreme operational conditions typical in aviation and defense systems. The solicitation is categorized as a subcontract and falls under NAICS code 332813, specifically targeting industrial heat treating services aligned with defense manufacturing requirements. The opportunity was posted on August 3, 2026, with a strict response deadline of August 11, 2026, at 4:59 AM, indicating a compressed timeline for qualified vendors to submit proposals. The contracting activity is managed by the Department of Defense through the Ok DLA Aviation office located in Oklahoma City, with the place of performance not specified beyond the agency’s jurisdiction. All work must meet stringent aerospace standards as dictated by defense procurement protocols.
Electroplating, Plating, Polishing, Anodizing, and Coloring

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NAICS: 332721
New
Federal
Precision Machining of Access Hole FrameThe contract requires the manufacture of a precision-engineered metal alloy access hole frame designed to meet strict military specifications, with emphasis on tight dimensional tolerances and a high-standard surface finish. The component must be fabricated using materials and processes compliant with defense industry standards to ensure structural integrity and performance in demanding operational environments. The work is classified as a subcontract under NAICS code 332721, indicating specialized metal forging and stamping activities, and is issued by the Department of Defense through Ok DLA Aviation at Oklahoma City. Bidders must submit responses by August 11, 2026, at 4:59 AM, with no set-aside provisions specified for small or disadvantaged businesses. The place of performance and point of contact details are not provided, suggesting the location and direct liaison may be determined post-award or through direct communication with the contracting office. All proposals must demonstrate capability to deliver components that exceed standard industrial tolerances and adhere to unlisted military technical documents, requiring proven experience in defense-grade machining. The contract opportunity is accessible via the SAM.gov portal for qualified subcontractors seeking to participate in defense supply chain initiatives.
Precision Turned Product Manufacturing

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NAICS: 493130
New
Federal
Packaging, Preservation, and Logistics for Aerospace ComponentsThe contract requires specialized packaging, preservation, and logistics services for aerospace valves in strict compliance with MIL-STD standards to ensure long-term storage integrity and protected transport to Tinker AFB. All methods must guarantee environmental protection, corrosion prevention, and mechanical safeguarding throughout the supply chain, with full traceability and documentation to meet defense logistics requirements. The work is classified as a subcontract under NAICS code 493130 and is managed by the Department of Defense through Ok DLA Aviation at Oklahoma City, with a response deadline of September 3, 2026, and a posted date of August 3, 2026. The place of performance is tied to Tinker AFB, and all activities must align with the rigorous operational and quality benchmarks expected for defense aerospace components.
Farm Product Warehousing and Storage

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NAICS: 541380
New
Federal
Inspection, Testing, and Quality Assurance ServicesThe contract requires independent inspection and testing of aerospace valves to ensure full compliance with established qualification requirements, material specifications, and performance standards. This includes performing nondestructive testing and functional testing to verify the integrity and operational reliability of the valves under defined conditions. The work is critical to maintaining the safety and performance of aerospace systems and must adhere to strict quality assurance protocols throughout the testing process. This is a subcontract under the NAICS code 541380, issued by the Department of Defense through DLA Aviation in Oklahoma City. The solicitation was posted on August 3, 2026, and responses are due by September 3, 2026, at 4:59 a.m. The place of performance details are not specified, and no set-aside classification is indicated. All work must be completed in accordance with the technical and procedural requirements outlined in the contract, with no provision for deviation from approved testing methodologies or acceptance criteria.
Testing Laboratories and Services

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NAICS: 541330
New
Federal
Nonrecurring Engineering (NRE) Services for Source QualificationThe contract entails nonrecurring engineering services to qualify a new manufacturer as an approved source for aerospace valves, requiring comprehensive technical support across design validation, process development, tooling design, and qualification testing. The work is focused on ensuring the new supplier meets stringent aerospace standards through rigorous engineering validation and testing protocols, with deliverables intended to establish the manufacturer’s capability to reliably produce compliant valve components. This subcontract is part of a broader effort to diversify and secure the supply chain for critical aerospace hardware under the Department of Defense’s oversight. The solicitation, issued by the Defense Logistics Agency Aviation in Oklahoma City, is categorized under NAICS code 541330 for engineering services, and is open for response until September 3, 2026. No set-aside provisions apply, and performance is expected to align with federal aerospace requirements without specifying a geographic location. The contract does not include recurring production activities but is strictly for initial qualification, making it a critical milestone for the new vendor to gain approval as a qualified source for future procurement opportunities.
Engineering Services

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NAICS: 438320
New
Federal
Supply Chain Management for Diminishing Manufacturing Sources (DMS)The contract pertains to supply chain management focused on addressing Diminishing Manufacturing Sources (DMS) risks by identifying, qualifying, and managing alternate sources for critical components facing obsolescence. This includes proactive forecasting of long-lead items and the development of robust mitigation strategies to ensure uninterrupted availability of essential parts throughout the product lifecycle. The efforts are designed to safeguard defense-related supply chains against disruptions caused by component withdrawal or production discontinuation, prioritizing continuity and resilience in the face of evolving manufacturing landscapes. The contract is classified as a subcontract under NAICS code 438320 and is managed by the Department of Defense through the Ok DLA Aviation office in Oklahoma City. It was posted on August 3, 2026, with a response deadline of September 3, 2026, indicating an active procurement window for qualified suppliers to engage in DMS risk mitigation activities. While specific performance locations and contracting details are not provided, the focus remains squarely on sustaining readiness by securing viable alternatives to at-risk components, aligning with broader defense logistics objectives to maintain operational capability.

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