MIL-DTL-24640/7E
2500 lb/in2 (min.)
Tensile strength
Elongation
150 percent (min.)
Shrinkage
Non-blocked
0.125 inch (max.) at 300±2 °C (572±3.6 °F)
Water-blocked
0.125 inch (max.) at 250±2 °C (482±3.6 °F)
Surface resistance
500 megohms inches (min.), initial and final readings
Thermal shock
Oven temperature, 150±2 °C (302±3.6 °F)
Maximum change in measurement
0.060 inch
Wet dielectric test
2500 volts (root mean square)
Wrap test
Mandrel wrap test required
INSPECTION:
Basic Electricals:
Conductor resistance (ohms/1000 feet at 25 °C, max.)
17.11
Voltage withstand (volts, root mean square, min.)
Conductor to conductor
Not applicable
Conductor to shield
1000
Shield to shield
200
Component shield to overall shield
500
Insulation resistance (megohms/1000 feet, min.)
Conductor to shield
2500
Shield to shield (component shield only)
100
Shield to shield (component shield to overall shield)
100
Conductor and shield continuity
No failure
Jacket flaws
No failure
Group A:
Visual and dimensional
No failure
Capacitance:
Mutual capacitance (at 1 MHz, picofarads/foot (pF/ft), max.)
120
Capacitance unbalance (percent, max.)
Not applicable
Characteristic impedance (at 1 MHz, ohms)
13 (min.), 30 (max.)
Watertightness (type 1XMSOW only)
No failure
(see table IX of MIL-DTL-24640 for limits of water leakage)
Weight
No failure
3
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