DOD-PRF-85734A
TABLE I. Physical, chemical, and performance requirements.
Characteristic
Requirement
Test method
ASTM or SAE FED-STD-791
1/
Acid assay
Report
---
3500
(see 3.2.1)
Viscosity, mm2/s (cSt),
ASTM-D2532
---
13,000
at -40°C (-40°F), maximum
±6
Percent change after 72 hours at -40°C (-40°F),
maximum 2/
Viscosity, mm2/s (cSt),
ASTM-D445
---
4.90 - 5.40
at 100°C (212°F)
23.0
at 40°C (104°F), minimum
Flash point, °C (°F), minimum
246 (475)
ASTM-D92
---
Pour point, °C (°F), maximum
-54 (-65)
ASTM-D97
---
Total acid number, mg KOH/g, maximum
0.75
SAE-ARP5088
---
Evaporation loss, percent by weight, 6.5 hours at
10
ASTM-D972
---
204°C (400°F), maximum 3/
Foaming, foam volume, ml, maximum 4/
ASTM-D892
---
25
5 minutes aeration at 24°C (75°F)
none
1 minute settling at 24°C (75°F)
25
5 minutes aeration at 93.5°C (200°F)
none
1 minute settling at 93.5°C (200°F)
25
5 minutes aeration at 24°C (75°F) (after test at
93.5°C, above)
none
1 minute settling at 24°C (75°F)
5/
Rubber compatibility
---
3604 and
Rubber swell, percent
3433
SAE-AMS3217/1, 72 hours at 70°C (158°F)
5 25
SAE-AMS3217/4, 72 hours at 204°C (400°F)
5 25
Standard silicone rubber, 96 hours at 110°C (230°F)
0 25
Tensile strength loss of standard silicone rubber,
percent, maximum
60
6/
Compatibility
Compatible
---
3403
Turbidity
None
Sediment, mg/l, maximum
10
5
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