MIL-DTL-24643-4 Cord, Electrical, -20 Degrees C To +90 Degrees C, 600 Volts, Type Lsmcos

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INCH-POUND

MIL-DTL-24643/4E

1 October 2009

SUPERSEDING

MIL-DTL-24643/4D

22 August 2002

DETAIL SPECIFICATION SHEET

CABLE, ELECTRICAL, -20 �C TO +90 �C, 600 VOLTS, TYPE LSMCOS

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, coated or uncoated, Class K (see table I for size).

Second

Separator may be used at manufacturer's option where required to provide free-stripping

insulation.

Thermoset insulation (see table I for wall thickness) � Sizes 2, 4, and 7 shall have special

Third

identification code applied by Method 3. Size 5 shall have one shielded pair (colors

black and white) and 3 singles (colors red, green, and blue) applied by Method 3. Size 6

shall have two shielded pairs (colors black and white for first pair and blue and red for

second pair) and two singles (colors yellow and green) applied by Method 3.

Fourth

(For all pairs only) An optional binder.

Fifth

(For all pairs only) Braided shield of 34 or 36 AWG coated or uncoated copper. Braid

angle 30 to 35 degrees; minimum coverage of 88 percent.

Sixth

The required number of singles and shielded pair(s) to be cabled together with a left-hand

lay. The length of lay (pairs and cables) shall be as required for the completed cable to

meet the twisting and bending endurance tests; and for Sizes 5 and 6, the additional

mutual inductance test. Fillers may be used as necessary to form a firm, well-rounded

assembly. A single conductor (or pair) shall not be used as a central core for the cable.

The Size 7 cable shall have a central core of fiberglass.

Seventh

An optional binder.

Eighth

Braided shield of 34 or 36 AWG coated or uncoated copper. Braid angle of 30 degrees

minimum; minimum coverage of 88 percent.

Ninth

An optional binder.

Tenth

Cross-linked polyolefin jacket. Minimum average wall thickness of 0.040 inch.

NOTE: Omit eighth and ninth construction steps for Sizes 5 and 6.

AMSC N/A

FSC 6145