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This Sources Sought opportunity from Department Of Defense was posted on January 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

C-5 MLG Trunnion Bearing

Closed
SS2700013Federal

Contract Overview

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

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General Info

NAICS

811210 - Electronic and Precision Equipment Repair and Maintenance

Place of Performance

GA, USA

Set-Aside

NONE

Documents

3

Source Pre-Qualification Requirements for C-5 MLG Trunnion Bearings 2026

PDF, High priority: read this first3 pages · sources-sought
High

Sources Sought Synopsis for C-5 MLG Trunnion Bearing NSN 3120-00-766-2056UC

PDF, High priority: read this first6 pages · sources-sought
High

4F23832 Drawing - Main Landing Gear Complete

PDF, Low priorityspecifications
Low

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Timeline

PhaseClosed
Posted

Sources Sought

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyDepartment Of Defense → FA8538 Afsc Pzaab
Contacts2 people available
OfficeROBINS AFB, GA, 31098-1670, USA
Office AddressROBINS AFB, GA, 31098-1670, USA
Contacts
J. McKenzie Grinstead
Alyssa Tanner

Full Description

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C-5 MLG Trunnion Bearing
NSN: 3120-00-766-2056UC
Part No. 4F23832-103A



The Air Force has a requirement for a depot-level re-manufacturing effort for the C-5 Trunnion Bearing. This item is a large, plain self-aligning, spherical bearing. It is the main pivot bearing used during the retraction and extension of the C-5 MLG. The anticipated re-manufacturing service will provide serviceable assets to meet yearly demand for Air Force field level and C-5 Programmed Depot Maintenace (PDM).



CAUTION:



This market survey is being conducted to identify potential sources that may possess the expertise, capabilities, and experience to meet the requirements for qualification and production of the Main Landing Gear (MLG) Trunnion Bearing for use by United States Air Force (USAF) personnel.  The level of security clearance and amount of foreign participation in this requirement has not been determined.  Contractors/Institutions responding to this market research are placed on notice that participation in this survey may not ensure participation in future solicitations or contract awards.  The government will not reimburse participants for any expenses associated with their participation in this survey.



INSTRUCTIONS:


  1. The document(s) below contain a description of the MLG Trunnion Bearing requirement and a Contractor Capability Survey. The Survey allows Contractors to provide their company’s capability.


  1. If, after reviewing these documents, you desire to participate in the market research, you should provide documentation that supports your company’s capability in meeting these requirements.  Failure to provide documentation may result in the government being unable to adequately assess your capabilities. 


  1. ATTENTION: SMALL BUSINESS RESPONDENTS who are interested in participation for this effort:
    1. No set aside decision has been made; however, the Government will determine the final strategy after thorough analysis of the small business responses and other market research available, considering the demonstrated interest and capability.  Please ensure that you provide a thorough response to each question.  If your company does not currently possess the full capability required to fulfill the entire requirement, what teaming/partnership/joint venture/subcontracting arrangement do you have in place to fulfill the government needs? Providing evidence of this arrangement, e.g. emails, letter, etc. that demonstrates a united response to this SSS is highly encouraged, but not required. The evidence should state the type of arrangement and the role each member will fulfill.  If you are only interested in being a subcontractor to the future awardee, state the portion of the work that your organization has capability of fulfilling. 
    2. Identify any areas of work that your organization believes should be broken out exclusively for Small Business.


  1. Both large and small businesses are encouraged to participate in this Market Research.  Joint ventures or teaming arrangements are encouraged.


  1. Questions relative to this market survey should be addressed to the Program Manager Jessica Grinstead (Jessica.Grinstead@us.af.mil) with CC to the PCO Karen Beckford (Karen.Beckford@us.af.mil) and Buyer, Alyssa Tanner (Alyssa.Tanner.1@us.af.mil)  

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The Air Force is soliciting proposals for a depot-level remanufacturing effort for the C-5 Main Landing Gear (MLG) Trunnion Bearing Assembly (NSN 3120-00-766-2056UC, Part No. 4F23832-103A). This large, plain self-aligning spherical bearing is critical for the retraction and extension of the C-5 MLG. The scope of work requires the contractor to provide all resources and manpower to inspect, functionally test, and remanufacture the assemblies by installing a remanufactured spherical bearing into a serviceable housing assembly. A key technical requirement is the mandatory use of new balls in the remanufacturing process, as reworked balls are prohibited. All assets must be tested to Original Equipment Manufacturer Acceptance Test Procedures and pass DCMA final breakaway torque inspections. This is a Firm-Fixed Price Requirements contract with a five-year period of performance, consisting of a one-year basic period and four one-year ordering periods. The Best Estimated Quantities are 64 units per year. Award will be made using the Lowest Price Technically Acceptable (LPTA) process to a responsible offeror who is either on the government's pre-approved qualified source list or submits a complete SAR package meeting all source pre-qualification requirements, including an ISO 9002 quality plan. Delivery is required 46 weeks after receipt of order, followed by a delivery rate of 8 units per month. Contractors must adhere to strict military packaging and marking standards, specifically MIL-STD-2073-1 and MIL-STD-129. The contract includes several data deliverables, including monthly production reports, annual government property inventory reports, and IUID marking verification reports. Due to the nature of the technical data, interested vendors must be registered in the Joint Certification Program and approved for Export Control to access bidset documents. Proposals are due by 5:00 PM EST on October 27, 2026, and must be submitted via DODSAFE in two separate volumes.
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