MIL-DTL-915/7G
Sixth
- An overall jacket (black), nominal wall thickness 0.060 inch. if needed to
meet electrical tests, the jacket may comprise - inner layer of rubber
insulation, such as synthetic rubber and - outer layer of rubber insulation, such
as synthetic rubber and - outer layer of polychloroprene. The jacket shall be
readily separable from the underlying shield, leaving the shield adequately
clean for soldering. Cable surface marking required.
TABLE I. Details.
Overall diameter
Type and size
Minimum (inch)
Maximum (inch)
DSWS-4
0.770
0.800
EXAMINATION AND TESTS:
Requirements
Basic electrical:
Conductor resistance - ohms/1000 feet at 25°C, maximum............................................................2.78
Voltage withstand - volts, root mean square, minimum
Conductor to conductor (5 minutes)................................................................................10,000
Conductor to shield (5 minutes) ...................................................................................... 10,000
Shield to water (5 minutes)...................................................................................................500
Voltage withstand - volts, dc, minimum
Conductor to conductor (15 minutes)..............................................................................25,000
Conductor to shield (15 minutes) .................................................................................... 25,000
Shield to water (15 minutes)..............................................................................................1,500
Insulation resistance megohms-1000 feet, minimum
Conductor to conductor ........................................................................................................ 200
Conductor to shield...............................................................................................................200
Shield to water ...................................................................................................................... 100
Group A:
Visual and dimensional .............................................................................................. No failure
Hydrostatic (open end) - 1000 lbf/in2, in 2 hours, in3, maximum............................................ 0
Mutual capacitance - picofarad per feet (pF/ft) at
1 kilohertz (kHz) ........................................................................................20 ± 10
Group B:
Physicals (unaged)
Insulation (conductor)
Tensile strength - lbf/in2, minimum ......................................................................... 600
Elongation - percent, minimum ............................................................................... 350
Jacket (cable)
2
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