Request For Information: PEO Coating of F-16 Accessory Drive Gearbox (ADG) Housing RFI09252025
Summary
AI-generated · Sep 28, 2025Coat the exterior of the F-16 Accessory Drive Gearbox (ADG) housing, which is magnesium, with a plasma electrolytic oxidation (PEO) coating to improve reliability and corrosion resistance. The coating is applied via an electrolyte and electrical current, creating a ceramic-like surface on the outside of the housing. Salt fog testing has shown the coating to be more resistant to corrosion, though the process is not yet approved.
This is a Request for Information (RFI) to gather industry input on this potential coating approach for a future procurement. The government notes that the coating process is not approved at present but is expected to be approved in approximately 18–24 months.
THIS IS A REQUEST FOR INFORMATION (RFI) ONLY. The United States Air Force is working a project to coat the F-16 Accessory Drive Gearbox (ADG) housing, NSN 2835012080169RP. The purpose of this project is to increase the reliability and effectiveness of the Mg gearbox by applying PEO coatings to the outside of the parts. The PEO coatings are applied using an electrolyte (similar to Gatorade) and an electrical amperage. This converts the outside to a ceramic like coating. That coating is more resistant to corrosion as proven in salt fog testing. This is not an approved process now, but we anticipate that it will be approved in approximately 18-24 months.
From Special Notice posted on Sep 25, 2025Notice history
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USA