MIL-STD-5522, DEPARTMENT OF DEFENSE TEST METHOD STANDARD: TEST REQUIREMENTS AND METHODS FOR AIRCRAFT HYDRAULIC AND EMERGENCY PNEUMATIC SYSTEMS (17 MAR 2000) [SUPERSEDING MIL-T-5522D]., This standard establishes test and test method requirements for aircraft andweapons hydraulic and emergency pneumatic systems design and installation with operatingpressure ranges from 3,000 psi to 8,000 psi and temperature ranges from -65 deg F to + 450 deg F.