C-5 Nose Landing Gear Door Actuator Assemblies

Closed Pre-Solicitation Posted

Not the latest version. See the latest solicitation from .

Solicitation number
FA853826R0012
Agency
Responses due
Set-aside
No set-aside

Opportunity facts

Place of performance
Warner Robins, Georgia, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The Department of the Air Force Materiel Command Air Force Sustainment Center is seeking qualified contractors to provide overhaul services for C-5 Nose Landing Gear Door Actuator Assemblies under a Requirements Type Contract. The procurement encompasses four distinct actuator assembly models (NSNs 1680-01-160-6520UC, 1680-01-160-6519UC, 1680-01-237-0231UC, and 1680-01-237-0230UC) that are critical components of the C-5 aircraft's landing gear door actuation system, which controls the opening and closing of the nose landing gear doors during aircraft operations. The contract will be awarded using Full and Open Competition with evaluation based on Lowest Price Technically Acceptable (LPTA) criteria, meaning cost will be the primary selection factor provided proposals meet all technical requirements. The formal Request for Proposals (RFP) is anticipated to be released in May 2026 and will be posted exclusively on the SAM website with no hardcopies provided; interested contractors should register on the site to receive solicitation notifications and access required technical data. The pre-solicitation comment period closes on April 24, 2026, providing potential offerors with a two-week window to submit questions or comments prior to RFP release.

This procurement carries no set-aside designations and is open to all responsible sources. The contract structure consists of a one-year basic period followed by four one-year ordering periods for a total performance period of five years, with each actuator assembly model having estimated quantities of 10 units in the basic year and 9-10 units annually during each ordering period, totaling approximately 196 units across all four models over the contract life. No incumbent contractor information or specific award value has been disclosed in this pre-solicitation notice. The overhaul effort represents a sustained requirement for specialized aircraft component maintenance, with the Air Force's commitment to a multi-year contract demonstrating the ongoing operational needs of the C-5 fleet.

Notice text

C-5 Nose Landing Gear (NLG) Door Actuators Assemblies
LH Actuator Assembly: NSN: 1680-01-160-6520UC  PN: 177560-32
RH Actuator Assembly: NSN: 1680-01-160-6519UC  PN: 177560-33
LH Actuator Assembly:  NSN: 1680-01-237-0231UC  PN: 177560-34
RH Actuator Assembly: NSN: 1680-01-237-0230UC   PN: 177560-35

These actuator assemblies are part of the C-5 NLG Door Actuation System. The NLG doors consist of two inboard doors and two outboard doors and are actuated separately from the gear. When the NLG is extended, the doors are held open by the actuators, and when the landing gear is retracted, the actuators close the doors to enclose the landing gear and streamline the aircraft. 

This overhaul effort will utilize a Requirements Type Contract. Contract period of performance will be five (5) years. It will consist of a one (1) year basic period and four (4) one (1) year ordering periods. The Best Estimated Quantities for each ordering period are listed below. The USAF anticipates the acquisition will be Full and Open Competition utilizing the Lowest Price Technically Acceptable (LPTA).

NSN 1680-01-160-6520UC
YEAR                     BEQ         
Basic                       10         
Ordering Period 1     9        
Ordering Period 2    10         
Ordering Period 3     9        
Ordering Period 4    10

NSN 1680-01-160-6519UC 
YEAR                   BEQ         
Basic                      10         
Ordering Period 1    9        
Ordering Period 2    10         
Ordering Period 3     9         
Ordering Period 4    10

NSN: 1680-01-237-0231UC 
YEAR                   BEQ         
Basic                      10         
Ordering Period 1    9        
Ordering Period 2    10         
Ordering Period 3     9         
Ordering Period 4    10

NSN: 1680-01-237-0230UC
YEAR                   BEQ         
Basic                      10         
Ordering Period 1    9        
Ordering Period 2    10         
Ordering Period 3     9         
Ordering Period 4    10 

It is anticipated that the RFP will be released in May 2026. The RFP will be posted to the SAM webpage. NO HARDCOPIES WILL BE PROVIDED. The technical data required to respond to the RFP may be obtained at the same website. All responsible sources may submit a bid, proposal, or quotation which shall be considered by the agency. Offerors are encouraged to register on the site to receive notifications regarding the solicitation and all amendments/revisions.

One or more of the items under this acquisition is subject to the Buy American Act.

Notice history

Notice Type Posted
C-5 Nose Landing Gear Door Actuator Assemblies Latest solicitation Solicitation
This notice Pre-Solicitation
C-5 Nose Landing Gear Door Actuator Assemblies Original Pre-Solicitation

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