Castrol BRAYCOTE-444 (14.1-oz-Cart)

Additional Product Information

Overview

Braycote 444 is a hybrid synthetic lithium complex NLGI Grade 2 grease engineered for aircraft airframe equipment. Widely used across aviation maintenance and MRO operations, it delivers extended lubrication life, excellent corrosion protection, and reliable low-temperature performance. Maintenance teams rely on this grease for critical moving components where consistent performance, reduced wear, and extended service intervals are essential.

Key Technical Specs for Braycote 444

• Type: Hybrid synthetic lithium complex grease
• NLGI Grade / Consistency: NLGI Grade 2
• Color: Light tan / grease appearance
• Operating Temperature Range: -100 F to 250 F (-73 C to 121 C)
• Low Temperature Starting Torque: 0.45 Nm at -73 C (-100 F)
• Four Ball Weld Load: 400 kgf
• Wear Scar Diameter: 0.47 mm
• Water Washout: 3.7% loss
• Oxidation Stability: 4 psi drop @100 hrs / 9 psi @500 hrs
• Typical Uses: Bearings, actuator screws, airframe mechanical components
• Shelf Life: Refer to manufacturer CoC; typically multi-year storage when unopened

Approvals & Specifications

• Boeing Specification BMS 3-34 Approved
• Developed specifically for Boeing airframe lubrication requirements
• Suitable for use where BMS 3-34 grease is specified

Typical Aircraft MRO / AOG Applications

• Aircraft roller bearings
• Actuator screws and drive mechanisms
• Airframe moving assemblies
• Flight control mechanisms
• Landing gear related airframe components

Compatibility & Safety Notes

• Compatible with common aircraft metals and airframe materials
• Resistant to corrosion and synthetic seawater exposure
• Use standard PPE including gloves and eye protection during application
• Follow aircraft manufacturer maintenance manuals and lubrication procedures

Packaging & Procurement

• Available in standard aviation grease packaging formats
• Common supply formats include cartridges, cans, and pails (subject to supplier availability)
• Store in a cool, dry environment away from contamination
• Long storage stability supports MRO inventory planning

Why Braycote 444 is Chosen for AOG / MRO

• Extended service life reduces maintenance frequency
• Reliable performance in extreme cold environments
• High wear protection for critical aircraft components
• Approved aerospace specification grease
• Trusted for rapid deployment and dependable performance

Practical Suggestions for Your Team (AOG Mindset)

• Stock for cold-weather and long-life lubrication requirements
• Use for Boeing BMS 3-34 lubrication tasks to ensure compliance
• Maintain sealed inventory to prevent contamination
• Train technicians on correct grease selection and application intervals

Manufacture / Aviation Spec Codes

• Manufacturer: Castrol
• Product Name: Braycote 444
• Former Name: Aeroplex 444
• OEM Specification: Boeing BMS 3-34

Alternative Names & Descriptions

• Aeroplex 444
• Castrol Braycote 444 Grease
• BMS 3-34 Aircraft Grease
• Aircraft Airframe Lithium Complex Grease
• Low Temperature Airframe Grease