AeroShell Shock Strut Fluid (SSF) is a mineral hydraulic fluid (MIL-PRF-6083) to which additional additives have been added to improve the extreme pressure characteristics and the fluid’s natural lubricity. The lubricity agent provides a stable thin film layer to the metal surfaces at mild operating conditions. When severe conditions exist (landing/touchdown), the extreme pressure additive supplies the load carrying needed at the metal-to-metal surfaces to prevent the occurrence of such phenomena as “ladder cracking” and “slip stiction” of the piston component of the landing gear. AeroShell SSF is AeroShell Fluid 71 plus additives.
AeroShell SSF is approved for use in the shock struts of the following aircraft:
For use in the landing gear shock struts of other aircraft, operators must check with the respective manufacturer first.
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