Browse Standards AS4059
Historical ISSUED 1988-06-14

AEROSPACE-CLEANLINESS CLASSIFICATION FOR HYDRAULIC FLUIDS AS4059

This SAE Aerospace Standard 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 and simplification of the widely accepted NAS 1638.
AS4059F
2020-05-05
Latest
Reaffirmed
AS4059E
2011-03-18
Historical
Reaffirmed
AS4059D
2001-04-01
Historical
Revised
AS4059C
2000-08-01
Historical
Revised
AS4059B
1995-03-01
Historical
Revised
AS4059A
1990-03-30
Historical
Revised
AS4059
1988-06-14
Historical
Issued

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 10% off list price.
Login to see discount.
Special Offer: AeroPaks offers a customized subscription plan that is cost-effective and allows you to choose the number of downloads and Aerospace and Aerospace Material documents you need. Find more information here.
We also recommend:
TECHNICAL PAPER

Triaryl Phosphate Ester Hydraulic Fluids - A Reassessment of Their Toxicity and Environmental Behaviour

982004

View Details

STANDARD

SELECTING SLIPPER SEALS FOR HYDRAULIC-PNEUMATIC FLUID POWER APPLICATIONS

AIR1244A

View Details

STANDARD

CLAMP, LOOP, TUBE, 17-7PH, 275 °F, FUEL AND PETROLEUM BASED HYDRAULIC FLUID RESISTANT

AS85052/1A

View Details

Get Involved

Want to participate in updating this standard?

X