Eastman Turbo Oil 2389 (1-Usqt-Can)

Additional Product Information

Eastman Turbo Oil 2389 is trusted by MRO teams, ground crew and aircraft engineers worldwide from advanced military jets to commercial airliners, because it delivers unmatched reliability for APUs and engine accessories under extreme temperatures and operational stress. Its low-viscosity synthetic formula ensures smooth cold starts, long-term oxidation stability and consistent lubrication, even in AOG situations where every minute counts. Airlines and defence operators rely on it to protect critical systems, reduce maintenance downtime and ensure the safety of millions of passengers every year. With precise 1?quart (0.946?L, 0.86?kg / 1.90?lbs.) packaging, it’s easy to deploy, measure and stock, making it the go-to turbine oil in the aviation industry.

Key Technical Specs for Eastman Turbo Oil 2389

• Type: Low-viscosity synthetic turbine oil, 3?cSt at 100?°C (212?°F).
• Primary Use: Auxiliary Power Units (APUs), engine accessory gearboxes, and small turbine applications.
• Performance: Excellent cold-start performance, thermal stability, and high load-carrying capacity. Maintains low-temperature fluidity for reliable start-ups after cold-soaks at altitude.
• Load Bearing: Engineered to protect critical components under stress, equal to or better than other MIL?PRF?7808 Grade 3 oils.

Approvals & Specifications for Eastman Turbo Oil 2389

• MIL Spec: MIL?PRF?7808 Grade 3 compliant.
• OEM Approvals: Full approval for Honeywell and UTC Aerospace Systems APUs, widely accepted in commercial aviation.
• Manufacturer / Aviation Spec Codes: Recognized in APU maintenance documentation. Specific aircraft manufacturer codes not listed publicly but aligned with Honeywell and UTC system approvals.

Typical Aircraft MRO / AOG Applications for Eastman Turbo Oil 2389

• Used by ground crew and MRO teams for APUs and accessory lubrication during routine servicing or emergency AOG situations.
• Critical to maintain stock to ensure rapid engine or APU servicing, especially for aircraft with high operational tempo or international deployments.
• Helps reduce maintenance downtime and ensure safe, reliable operation of commercial or military aircraft.

Compatibility & Safety Notes for Eastman Turbo Oil 2389

• Compatible with other MIL?PRF?7808 Grade 3 oils, allowing flexible use in mixed oil scenarios.
• Stable in extreme temperatures, reducing risk during cold-soak starts or prolonged storage.
• Practical for AOG/MRO operations, offering quick deployment with minimal handling issues.

Packaging & Procurement for Eastman Turbo Oil 2389 (matched to the Aerospheres page and common market packs)

• Volume & Format: 1 US quart (0.946?L, 0.86?kg / 1.90?lbs.) can
• Shelf Life: 120 months (3,600 days).
• Stock Availability: Immediate UK stock and additional stock
• Standard lead time for bulk orders: ~90 days.

Why Eastman Turbo Oil 2389 is Chosen for AOG / MRO

• Ensures rapid response for emergency AOG support.
• Reduces downtime by providing reliable lubrication for critical APU and accessory components.
• Favoured in both commercial and military aviation for its low-temperature performance and high thermal stability.

Practical Suggestions for Your Team (AOG mindset) for Eastman Turbo Oil 2389

• Keep at least a minimum stock of 1-5 units per aircraft type for APU servicing.
• Rotate inventory using FIFO to maintain shelf life compliance.
• Use during cold-weather operations or when quick turnaround is required on engine start-ups.

Manufacture / Aviation Spec Codes for Eastman Turbo Oil 2389

• MIL?PRF?7808 Grade 3 (U.S. military specification)
• MIL?PRF?7808L (latest revision reference in some listings)
• NATO Code: O?148
• NSN (National Stock Number): 9150?00?782?2627
• OEM Approvals: Fully approved for Honeywell and UTC Aerospace Systems APUs
• Qualified Products List (QPL?7808) status for turbine oils

Alternative Names & Descriptions for Eastman Turbo Oil 2389

• ETO 2389
• Turbo Oil 2389
• MIL?PRF?7808 Grade 3 turbine oil
• Honeywell/UTC approved APU oil
• EASTMAN 2389
• ET02389-1QT
• BPTO 2389
• BP TURBO OIL 2389 MIL-PRF-7808 G 3