MIL-DTL-24640/5E
3.0 inches (max.)
No flaming of tissue paper
Humidity resistance
5000 megohms for 1000 feet (min.) insulation resistance after
humidity exposure
Dielectric test (100% test)
Primary insulation
Impulse test - 6.0 kV (peak) or 3 kHz spark test - 1.5kV root
mean square
Component wire
Impulse test - 8.0 kV (peak) or 3 kHz spark test - 5.5kV root
mean square
Insulation resistance
5000 megohms for 1000 feet (min.)
Life cycle
Non-blocked
Oven temperature, 200±2 °C (392±3.6 °F) for 168 hours
Water-blocked
Oven temperature, 200±2 °C (392±3.6 °F) for 120 hours
Physical properties of primary insulation
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.)
10.95
Voltage withstand (volts, root mean square, min.)
Conductor to conductor and shield
1000
Conductor to shield
Not applicable
Shield to shield (component shield only)
200
Shield to shield (component shield to overall shield, TTXSO/W only) 500
Insulation resistance (megohms/1000 feet, min.)
Conductor to conductor and shield
2500
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