DOD-PRF-85734A
TABLE I. Physical, chemical, and performance requirements - Continued.
Characteristic
Requirement
Test method
ASTM or SAE FED-STD-791
16/
Corrosion and oxidative stability
---
5308
a) 72 hours at 175°C (347°F)
Viscosity, percent change 10/
-5 to +15
Total acid number change, maximum 11/
2.0
Metal weight change, mg/cm2, maximum
±0.2
Steel
±0.2
Silver (Ag)
±0.2
Aluminum (Al)
±0.2
Magnesium (Mg)
±0.4
Copper (Cu)
---
Titanium (Ti)
Sludge content (filtered through 10 µm),
50
mg/100 ml of oil, maximum
16/
Corrosion and oxidative stability
---
5308
b) 72 hours at 204°C (400°F)
Viscosity, percent change 10/
0 to +30
Total acid number change, maximum 11/
3.0
Metal weight change, mg/cm2, maximum
±0.2
Steel
±0.2
Silver (Ag)
±0.2
Aluminum (Al)
±0.2
Magnesium (Mg)
±0.4
Copper (Cu)
---
Titanium (Ti)
Sludge content, (filtered through 10 µm),
50
mg/100 ml of oil, maximum
7
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