AS4059D Aerospace Fluid Power - Cleanliness Classification for Hydraulic Fluids
Revised
04/01/2001
- Features
- Issuing Committee
- Content
- This SAE Aerospace Standard (AS) defines cleanliness levels for particulate contamination of hydraulic fluids and includes methods of reporting data relating to the contamination levels. The contamination levels selected are an extension of the widely accepted NAS 1638 cleanliness levels.
- Pages
- 14
- Citation
- SAE International Technical Standard, Aerospace Fluid Power - Cleanliness Classification for Hydraulic Fluids, SAE Standard AS4059D, Revised April 2001, Issued June 1988, https://doi.org/10.4271/AS4059D.