INCH-POUND
MIL-DTL-24643/35D
1 October 2009
SUPERSEDING
MIL-DTL-24643/35C
22 August 2002
DETAIL SPECIFICATION SHEET
CABLE, ELECTRICAL, -20 °C TO + 90 °C, TYPE LS3SU
(INCLUDING VARIATION LS3SUS)
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this specification sheet and
MIL-DTL-24643.
This cable can be manufactured in two variations: LS3SU and LS3SUS (double overall shield).
Construction, Non-Watertight
First
Copper conductor, coated or uncoated, 18 AWG (7 by 0.0152 inches).
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Second
Separator may be used at manufacturer's option where required to provide free-stripping
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insulation.
Third
Thermoset insulation. Nominal wall thickness of 0.013 inch; wall thickness may vary
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from nominal as necessary, in order for the completed cable to meet the specified
electrical requirements. Colored insulation, one white, one black, and one red conductor
to form each triad.
Fourth
Three conductors (one black, one white, and one red) cabled together with a nominal lay
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of 3.5 inches to form each triad.
Fifth
An optional binder.
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Sixth
Braided shield of 34 or 36 AWG, coated or uncoated copper. Braid angle of 30 to 35
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degrees; minimum coverage of 85 percent.
Seventh
Shield insulation of two polyester tapes, outer tape sealed. An alternate shield insulation
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may consist of one polyester tape, plus an extruded jacket of a suitable transparent
material, minimum average thickness of the transparent material 0.003 inch. The
standard identification code shall be applied by Method 2.
The specified number of triads (see table I) shall be cabled together in accordance with
Eighth
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3.4.4 of MIL-DTL-24643. Cabling sequence shall be consecutive starting with no. 1
from the center outward. Fillers may be used as necessary to form a firm well-rounded
assembly.
Ninth
An optional binder.
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AMSC N/A
FSC 6145
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