MIL-DTL-915/6K
TABLE I. Details.
Conductor size
Insulation
thickness
Type and
nominal
Lay of conductor
Navy
size
(inch)
max (inches)
standard
AWG
THOF - 400
400(2052)
500 MCM
.090
30
THOF - 500
(class K)
.090
33
Overall diameter
Insulation
Conductor
resistance per
resistance per
1000 feet
Type and
1000 feet (max)
Min
Max
(min)
size
(ohms)
(inches)
(inches)
(megohms)
THOF - 400
2.680
2.800
.0283
100
THOF - 500
2.920
3.100
.0230
100
EXAMINATION AND TESTS:
Requirements
Basic electrical:
Conductor resistance - ohms/l000 feet at 25°C, maximum .................................... (see table I)
Voltage withstand volts, root mean square, minimum ................................................ (2500)
Insulation resistance megohms-1000 feet, minimum
Conductor to conductor...............................................................................(see table I)
Conductor to water ...................................................................................... (see table I)
Group A:
Visual and dimensional.............................................................................................. No failure
Group B:
Physicals (unaged)
Insulation (conductor)
Tensile strength - lbf/in2, minimum ......................................................................... 700
Elongation - percent, minimum ............................................................................... 250
Jacket (cable)
Polychloroprene:
Tensile strength - lbf/in2 ............................................................................1800
Elongation - percent, minimum...................................................................300
Set - inch, maximum.....................................................................................3/8
2
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