DIN Standards Committee Aerospace
ISO 11218
Aerospace; cleanliness classification for hydraulic fluids
Luft- und Raumfahrt; Reinheitsklassen für Hydraulik-Flüssigkeiten
Responsible national committee
NA 131-03-02 AA - Fluidic systems and components
Responsible international committee
ISO/TC 20/SC 10/WG 8 - Hydraulic fluids and fluid contamination control