INCH-POUND
MIL-DTL-24643/31F
1 October 2009
SUPERSEDING
MIL-DTL-24643/31E
22 August 2002
DETAIL SPECIFICATION SHEET
CABLE, ELECTRICAL, -20 °C TO +90 °C, TYPE LS2SU, (INCLUDING VARIATION LS2SUS)
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: LS2SU and LS2SUS (double overall shield).
Construction, Non-Watertight
First
Copper conductor, coated or uncoated, ASTM B286, 22 AWG 7strands.
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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 and one black conductor for each
pair.
Fourth
Two conductors (one black and one white) cabled with a nominal lay of 2.5 inches to
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form a pair.
Fifth
An optional binder.
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Sixth
Braided shield of 34 or 36 AWG, tin-coated copper. Braid angle of 20 to 40 degrees;
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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.
Eighth
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with 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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Construction, Variant Type LS2SU
Tenth
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Cross-linked polyolefin jacket (see table I for thickness).
AMSC N/A
FSC 6145
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