MIL-DTL-24640/4E
Jacket
50
Drip (Type TTXWB only)
No failure
Tear (lb/in thickness, min.)
35
Physicals (unaged)
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)
Not applicable
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 (Type TTXWB only)
No failure
Shrinkage
No failure
Surface transfer impedance
Milliohms per meter (max.)
Not applicable
EMP response (dB, min.)
Not applicable
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.)
4
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