AeroShell Grease 64

AeroShell Grease 64 is an extreme-pressure (EP) synthetic aviation grease formulated with a lithium complex thickener and fortified with 5% molybdenum disulfide. Formerly known as AeroShell Grease 33MS, it offers superior anti-wear, anti-corrosion, and load-carrying performance for heavily loaded aircraft components.

This multipurpose grease is ideal for landing gear assemblies, actuators, control mechanisms, hinges, screw jacks, and wheel bearings. Its enhanced EP protection makes it particularly effective in slow-moving or sliding joints that experience high pressure and load. It also performs well in general airframe lubrication, where extreme durability is needed.

While AeroShell Grease 33 serves as an all-purpose airframe grease, AeroShell Grease 64 is specifically designed for high-load applications that require enhanced protection. It shares the same base formulation but is fortified with molybdenum disulfide to improve wear resistance and load-carrying ability, making it the preferred choice for critical components.

AeroShell Grease 64 maintains consistent performance across a temperature range of -99°F to 250°F (-73°C to 121°C). This wide range ensures dependable lubrication in both cold-weather operations and high-temperature zones such as landing gear and engine components.

It meets and exceeds several key aviation lubrication standards, including MIL-G-21164D, DEF STAN 91-57, DCSEA 353/A, and COMAC QPL-CMS-OL-311. It is also designated under NATO Code G-353 and Joint Service Specification XG-276, underscoring its global approval for use in aircraft.

AeroShell Grease 64 provides exceptional wear protection, corrosion resistance, and thermal stability. The addition of molybdenum disulfide enhances its ability to prevent metal-to-metal contact, extending component life and reducing maintenance frequency. Its robust formulation minimizes oxidation, leakage, and degradation even in harsh environments.

Molybdenum disulfide, or “moly,” forms a protective solid film between metal surfaces under pressure. This coating reduces friction, prevents galling, and maintains lubrication even in the event of grease displacement, making it ideal for high-load and high-stress applications.

Yes. AeroShell Grease 64 is fully compatible with AeroShell Grease 33, which helps simplify inventory and prevent cross-contamination issues. However, mixing with unrelated grease types is not recommended, as it can affect performance and stability.

Absolutely! AeroShell Grease 64 is the modern rebranding of AeroShell 33MS, retaining its trusted performance while meeting updated specifications. It delivers the same reliable protection with improved high-load endurance and thermal stability.

It is composed of a synthetic hydrocarbon and ester base oil thickened with a lithium complex. This formulation provides a stable, high-performance structure that resists oxidation, water washout, and mechanical breakdown over time.

AeroShell Grease 64 exhibits excellent water resistance, with a water washout rating of just 3.4% at 38°C (ASTM D1264). It also shows low oxidation loss and minimal oil separation, maintaining consistency and performance in humid or wet environments.

Yes. It delivers excellent low-temperature torque performance, with start torque at -73°C measured at just 0.5 Nm and running torque at 0.029 Nm (ASTM D1478). This ensures reliable operation in cold climates and high-altitude conditions.

The grease achieves a Four Ball EP Load Wear Index of 68 kgf, exceeding the MIL-G-21164D minimum of 50 kgf. This rating demonstrates its exceptional ability to protect against wear under heavy loads and extreme pressures.

Yes. Shell emphasizes environmental responsibility for all AeroShell products. Used grease should always be disposed of at authorized collection points and never discharged into soil or water.