INCH-POUND
MIL-DTL-24643/40F
1 October 2009
SUPERSEDING
MIL-DTL-24643/40E
22 August 2002
DETAIL SPECIFICATION SHEET
CABLE, ELECTRICAL, -20 °C TO +90 °C, TYPE LS1SMU
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.
Construction, Non-Watertight
First
Copper conductor, tin-coated, ASTM B286, 22 AWG size 7 strands.
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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 0.030 inch; wall thickness may vary
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from nominal as necessary, in order for completed cable to meet the specified electrical
requirements.
Fourth
Braided shield of 34 or 36AWG, tin-coated copper. Braid angle of 20 to 25 degrees;
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minimum coverage of 90 percent.
Fifth
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.
Sixth
Five singles cabled around a center filler with a lay in accordance with 3.4.4 of
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MIL-DTL-24643. Cabling sequence shall be consecutive, starting with no. 1. Fillers
may be used as necessary to form a firm, well-rounded assembly.
Seventh
An optional binder.
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Eighth
Cross-linked polyolefin jacket. Minimum average wall thickness 0.063 inch.
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AMSC N/A
FSC 6145
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