MIL-DTL-24640/14E
TABLE I. Component wire details.
Watertight conductor
Finished wire
Low temp. at -40 °C
Stranding
Diameter
Test load life cycle
Wire size
Diameter
Mandrel
(no. x
nominal
accelerated aging
Test load
(AWG)
(inches)
diameter
AWG)
(inches)
tests (lbs ±3%)
(lbs)
(inches)
22
7 x 30
0.030
0.047
0.190
0.75
1.0
±0.003
TABLE II. Construction details.
Jacket
Cable diameter
Cable weight
Number of
PIN
Type
thickness
(inch)
(pounds per
component
M24640/14
number
(inch)
1000 feet)
wires
(min.)
(max.)
(min.)
(max.)
85.0
0.314
0.292
0.034
2
1XS0W-2
-01UO
280.0
0.506
0.470
0.041
14
1XSOW-14
-02UO
330.0
0.584
0.542
0.044
20
1XSOW-20
-03UO
429.0
0.662
0.614
0.044
30
1XSOW-30
-04UO
REQUIREMENTS:
Qualification required.
Component wire: The component wire shall be in accordance with SAE-AS81044 and shall be tested in
accordance with the following wire ratings and additional requirements.
Temperature rating
135 °C (275 °F) (max.) conductor temperature
Voltage rating
600 volts (root mean square) at sea level
Accelerated aging
Oven temperature, 250±2 °C (482±3.6 °F) for 6 hours
Low temp. cold bend
-40 °C (-40 °F) for 4 hours
Blocking
150±2 °C (302±3.6 °F)
Flammability
30 seconds (max.)
3.0 inches (max.)
No flaming of tissue paper
Humidity resistance
5000 megohms for 1000 feet (min.) insulation resistance after
humidity exposure
Dielectric test
Primary insulation
6.0 kilovolts (peak), 100 percent impulse test
(when tested in lieu of spark test)
2
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