MIL-DTL-24640/20E
Jacket
Tensile strength (lb/in2, min.)
1300
Elongation (percent, min.)
160
Attenuation (at 3 MHz, dB/100 feet, max.)
Not applicable
Gas flame (1 hour)
No failure
Group C:
Physicals (aged), air oven
Jacket
Tensile strength (percent of unaged, min.)
60
Elongation (percent of unaged, min.)
60
Permanence of printing
25
(conductor insulation, cycles, Method 1 only, min.)
Permanence of printing (jacket, cycles, min.)
125
Heat distortion (percent of unaged, max.)
30
Cable sealant removability
No failure
Shrinkage
No failure
Surface transfer impedance (Type TXOW only)
Milliohms per meter (max.)
700
EMP response (dB, min.)
60
Group D:
Flame propagation
No failure
Qualification Inspection:
Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following:
Aging and compatibility (cable)
No failure
Acid gas equivalent (percent, max.)
Jacket
2
Fillers
2
Insulation
18
Halogen content (percent, max.)
Jacket
0.2
Fillers
0.2
Immersion (jacket)
Tensile strength (percent of unaged, min.)
50
4
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