AS-4059 Complete Document History
Aerospace Fluid Power - Contamination Classification for Hydraulic Fluids

Complete Current Edition:
   REVISION G - Contamination Classification for Hydraulic Fluids - Nov. 22, 2022

Obsolete Revision Information:
   REVISION F R20 - REAFFIRMED IN 2020 - May 5, 2020
   REVISION F - Aerospace Fluid Power - Contamination Classification for Hyd - Sept. 27, 2013
   REVISION E R11 - REAFFIRMED IN 2011 - March 1, 2011
   REVISION E - Aerospace Fluid Power - Cleanliness Classification for Hydra - May 1, 2005
   REVISION D - Aerospace Fluid Power - Cleanliness Classification for Hydra - April 1, 2001
   REVISION C - Aerospace Fluid Power - Cleanliness Classification for Hydra - Aug. 1, 2000
   REVISION B - Aerospace Fluid Power - Cleanliness Classification for Hydra - March 1, 1995
   DOD ADOPTION 1 - FYI ONLY: DOD ADOPTED - Aug. 31, 1990
   REVISION A - Aerospace Fluid Power - Cleanliness Classification for Hydra - March 30, 1990
   BASE - OBSOLETE REVISION BY REQUEST - June 14, 1988