MIL-DTL-24643/50E
Group A:
Visual and dimensional
No failure
Group B:
Cold bending cable
No failure
Thermoset proof test (percent, max.)
Insulation
50
Jacket (when tested at 200 °C)
50
Physicals (unaged)
Insulation (extruded)
Tensile strength (lb/in2, min.)
700
Elongation (percent, min.)
150
Jacket (cable)
Tensile strength (lb/in2, min.)
1300
Elongation (percent, min.)
160
Tear (lb/in thickness, min.)
35
Group C:
Physicals (aged) air oven
Insulation (extruded)
Tensile strength (percent of unaged, min.)
75
Elongation (percent of unaged, min.)
75
Jacket (cable)
Tensile strength (percent of unaged, min.)
60
Elongation (percent of unaged, min.)
60
Permanence of printing (insulation), Method 1 only (cycles, min.)
25
Permanence of printing (jacket) (cycles, min.)
125
Heat distortion (percent of unaged, max.)
30
Shrinkage
No failure
Group D:
Flame propagation (cable)
No failure
Qualification Inspection:
Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following:
Accelerated service Sizes 23 only (see table II for load current)
No failure
Aging and compatibility (cable) (125±5 °C)
No failure
3
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