FED-STD-228A
TABLE I. Test fluids and cycles
Number of cycles1/
Fluid
Test cycles
Immerse(±3°C)
Time
Drain
85°C
(a) Hydraulic fluid conforming to
5
1 hour
7
MIL-PRF-83282, Mil-PRF-87257, or
minutes
minimum in
MIL-PRF-56062/
air at room
temperature
85°C
(b) Hydraulic fluid- Exxon M2V oil,
5
1 hour
7
or equivalent3/
minutes
minimum in
air at room
temperature
25°C
(c) Turbine fuel conforming to MIL-
5
1 hour
7
DTL-5624, grade JP-5
minutes
minimum in
air at room
temperature
(d) Lubricating oil conforming to
5
125
1 hour
7
MIL-PRF-7808
minutes
minimum in
air at room
temperature
(e) Lubricating oil conforming to
5
120
1 hour
7
MIL-PRF-23699
minutes
minimum in
air at room
temperature
(f) Defrosting fluid conforming to
5
65
1 hour
7
SAE AMS1424
minutes
minimum in
air at room
temperature
(g) Cleaning compound conforming
5
65
1 hour
7
to MIL-PRF-87937
minutes
minimum in
air at room
temperature
48°C to 50°C
(h) Mixture of 50% by volume
16
3 hours
1
Kerosene conforming to ASTM
hours
D3699 and 50% by volume
lubricating oil conforming to SAE
J1966, grade 1100
25°C
(i) Gasoline conforming to ASTM
5
24 hours in
5
D4814, type I
minutes
free air
25°C
(j) Mixture of 25% percent by volume
5
24 hours in
5
of isopropyl alcohol conforming to
minutes
free air
TT-I-735, grade A or B, with 75% by
volume of mineral spirits paint
thinner or degreasing solvent
conforming to MIL-PRF-680, type I
25°C
(k) Isopropyl alcohol (TT-I-735)
4 hours
2 hours
1
50°C
(l) Cleaning compound, aircraft surfaces,
1 hour
2 hours
10
conforming toA-A-59921 (diluted for
cleaning)
1/ Transition time between steady state conditions shall be 2 minutes, maximum. Steady state
conditions shall be ±1 minute unless otherwise noted. The wire shall be drained by gravity during
drainage portions of cycle.
2/ MIL-PRF-5606 hydraulic fluid shall only be used if required by the detail specification or the contract or
order.
3/ Exxon Mobil Corp. may be contacted at 1-800-443-9966 to determine availability of this fluid.
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