Synopsis, F-16 20MM Transfer Unit, NSN 1005-01-046-3536, Part Number 211F603

SUBJECT: This requirement is for the production of the F-16 20MM Transfer Unit, NSN 1005-01-046-3536, Part Number 211F603, used to support the Armament Aircraft gun systems utilized by the United States Government and Foreign Military Sales (FMS). The contract will consist of 5 Ordering Periods and a First Article Ordering Period as shown below:

NSN 895-01-174-5742, P/N:

435346-1: Basic Ordering Period (First Article) - 2 BEQ, Ordering Period 1 - 70 BEQ, Ordering Period 2 - 20 BEQ, Ordering Period 3 - 20 BEQ , Ordering Period 4 - 20 BEQ. ITEM DESCRIPTION The transfer unit assembly materials/composition are various steel components that are precision machined to tolerances up to three decimal places and surface tolerance up to three decimal places.

The transfer unit assembly has a cast. casting classification and inspection in accordance with (IAW) AMS 2175, Class 3, and Grade D. These components require master gears to check the acceptability/quality of the gear portion. Unsatisfactory gearing of these components can result in deleterious product performance and structural or durability degradation. The gears must be tested and inspected with a master gear.

Transfer unit shall be fire tested with 150 rounds of M55A2 or PGU-27/B (20mm target projectile) in bursts of approximately 75 rounds. Specification for this item is found on revision E drawing 211F603 that details design and construction requirements, qualification provisions including environmental requirements, and qualification provisions among other requirements. This action will result in a Requirements type contract.

IMPEDIMENT TO COMPETITION This requirement is not suitable for competition and will be utilized under Other Than Full and Open Competition as prescribed by FAR 6.302-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. This action will result in the award of a new contract, which will be a Firm Fixed Price (FFP) Requirement Indefinite Deliver Contract (IDC) contract with basic one year ordering period and additional four one-year ordering periods.

This sole source requirement. The agency's minimum needs can only be satisfied by the unique supplies or services available from the OEM. The OEM provides the U.S. military with an extensive range of overarching product segments applied across all levels of strategic and tactical operations) for the gun systems that use these housings.

As the OEM is responsible for the entire design, as well as for special tooling and equipment needed for verification testing (which includes range loader, test stand, Slave AHS, 20MM F-16, Slave Barrels, 20MM, casting molds, and electronic gun control unit). They have extensive knowledge of the quality requirements and have maintained the infrastructure and machining capabilities necessary for the production and operation of these items.

The U.S. Government owns an insufficient technical data package (TDP) for this item which consists of two-dimensional drawings. INTEREST Interested parties may identify their interest and capability to respond to the requirement no later than 16 April 2025 by emailing todd.stimus@us.af.mil and/or victor.henderson.2@us.af.mil. The Government intends to procure these items using FAR 6.302-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements.