MIL-DTL-24640/15E
Physical properties of primary insulation
2500 lb/in2 (min.)
Tensile strength
Elongation
150 percent (min.)
Shrinkage
0.125 inch (max.) at 250±2 °C (482±2 °F)
Spark test primary insulation
1500 volts (root mean square), 3 KHz, 100 percent test
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.)
17.89
Voltage withstand (volts, root mean square, min.)
Conductor to conductor and shield
2000
Conductor to shield
1000
Component shield to component shield
200
Component shield to overall shield (2XSAOW only)
500
Insulation resistance (megohms, 1000 feet, min.)
Conductor to conductor and shield
2500
Shield to shield (component shield only)
100
Shield to shield
100
(component shield to overall shield, 2XSAOW only)
Conductor and shield continuity
No failure
Jacket flaws (Type 2XSAOW only)
No failure
Group A:
Visual and dimensional
No failure
Capacitance:
Mutual capacitance (at 1 MHz, picofarads/foot (pF/ft), max.)
55
Capacitance unbalance (percent, max.)
15
Characteristic impedance (at 1 MHz, ohms)
33 (min.), 72 (max.)
Watertightness
No failure
(see table IX of MIL-DTL-24640 for limits of water leakage)
Weight
No failure
4
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