Technical Data Sheet AeroShell Fluid 4 AeroShell Fluid 4 is a mineral hydraulic oil with very good low temperature characteristics and capable of operating over a wide temperature range. AeroShell Fluid 4 is composed of a mineral oil base stock and a complex additive Safety Data Sheet AeroShell Fluid 41 1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND COMPANY/UNDERTAKING Product Code 001A0050 Infosafe No. ACLVZ 01/eng/C Technical Data Sheet AeroShell Fluid 602 AeroShell Fluid 602 synthetic base fluid is composed of highly branched, compact and very stable molecules known as polyalphaolefins (PAO), blended with additives to provide long term storage stability. This is Aeroshell 41 fluid, and meets Mil-5606H requirements, which is the most commonly used hydraulic fluid used in GA brake systems. Refer to your aircraft maintenance manual to verify the fluid the OEM recommends. Be it aircraft piston engine oils, turbine engine oils, greases or hydraulic fluids, AeroShell has one of the most comprehensive and proven range of aviation lubricant products, combined with one of the best technical support in the industry.