MIL-DTL-3702F
4.7.3.5.4 Liquid immersion for Air Force aircraft applications. Liquid immersion for the Air Force
aircraft specimens of cable shall be immersed in each of the fluids listed in table X, using a separate
specimen for each fluid. Each test specimen shall consist of a 6 foot (1.83 m) length of completed cable
and shall be subjected sequentially to tests 4.7.3.5.1 and 4.7.3.5.2 , and then immersed in the test fluids
listed in table X for the specified times and temperature. Specimens shall subsequently be removed from
the test fluid, drained for 30 minutes, and then subjected to the voltage application test specified in
TABLE X. Immersion test fluids.
Cable specimen number
Test fluid
Test temperature
Immersion period
MIL-PRF-23699, Lubricating
oil, aircraft turbine engine,
1
118-122 ºF
20 hrs
synthetic base, NATO code
O-156
MIL-PRF-5606, Hydraulic
2
118-122 ºF
20 hrs
fluid, petroleum base
3
TT-I-735, Isopropyl alcohol
68-77 ºF
168 hrs
MIL-DTL-5624, Turbine fuel,
4
aviation, grades JP-4, JP-5,
68-77 ºF
168 hrs
and JP-5/JP-8 ST
SAE-AMS1424 Deicing/Anti-
Icing Fluid, Aircraft, SAE
118-122 ºF
20 hrs
5
Type I
SAE-AMS1424 Deicing/Anti-
Icing Fluid, Aircraft, SAE
6
118-122 ºF
20 hrs
Type I
MIL-C-43616, Cleaning
7
118-122 ºF
20 hrs
compound, aircraft surface,
undiluted
ASTM-D1153, Methyl
8
68-77 ºF
168 hrs
Isobutyl Ketone
SAE-AS1241, Fire resistant
9
phosphate ester hydraulic
118-122 ºF
20 hrs
fluid for aircraft
MIL-PRF-7808, Lubricating
oil, aircraft turbine engine,
10
244-250 ºF
5 min
synthetic base
19
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