NA 131
DIN Standards Committee Aerospace
Project
Aerospace series - Lubricant filter elements test methods - Part 4: Dirt holding capacity
Begin
2026-05-27
Planned document number
ISO/WD 22056-4
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
