This SAE Aerospace Information Report (AIR) presents data on hydraulic fluids which are of interest to detail designers of hydraulic systems and components for aerospace flight vehicles. The data pertains to fluids conforming to the following specifications:

• MIL-PRF-5606
• MIL-H-8446
• MIL-PRF-27601 (canceled) MIL-PRF-27601 has been canceled without replacement and the data presented herein is for information purposes only.
• MIL-PRF-83282
• MIL-H-53119
• MIL-PRF-87257
• AS1241 Type IV, Classes 1 and 2, and Type V