1、 INCH-POUND MIL-DTL-24643/72A 28 January 2010 SUPERSEDING MIL-DTL-24643/72 9 October 2008 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO + 90 C, 1000 VOLTS, TYPE LSFCF This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for ac
2、quiring the product described herein shall consist of this specification sheet and MIL-DTL-24643. Construction, Non-Watertight Components 1-4: First - Copper conductor, tin-coated, 4 AWG 420 strands of 30 AWG. Second - Flexible silicone insulation. Diameter: 0.3800.010 inch Third - Insulation coveri
3、ng - flexible thermoset insulation. Color black. Diameter: 0.4500.010 inch. Printed white identification marked at a maximum distance of 3 inches, component 1-black, component 2-white, component 3-red, component 4-green. Components 5-8: First - Copper conductor, tin-coated, 16 AWG 19 strands of 29 A
4、WG. Second - Thermoset insulation. Color black. Diameter: 0.0900.003 inch. Printed white identification marked at a maximum distance of 3 inches, component 5-orange, component 6-blue, component 7-white-black, component 8-red-black. Assembly: Fourth - Components 1-4 and 5-8 shall be cabled together w
5、ith a maximum lay of 11 inches and as follows: Component 5 shall be placed in the outer interstices between component 1 and 2. Component 6 shall be placed in the outer interstices between component 2 and 3. Component 7 shall be placed in the outer interstices between component 3 and 4. Component 8 s
6、hall be placed in the outer interstices between component 4 and 1. Fillers may be used as necessary to form a firm well-rounded assembly. Fifth - Optional binder. Sixth - Braided shield of 34 AWG tin-coated copper. Braid angle of 40 to 50 degrees; minimum coverage of 90 percent. Seventh - Optional b
7、inder. Eighth - Flexible cross-linked polyolefin jacket with a nominal wall thickness of 0.075 inch (see table I). Color black. AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/72A TABLE I. Construction details. Overall
8、 diameter (inches) Type LSFSU Military part no. M24643/72 Type groups A, B, C, and D; plus the following: Aging and compatibility (cable) (1255 C) No failure Abrasion resistance (jacket) (scrapes, min.) 75 Acid gas equivalent (percent, max.) Jacket 2 3 Provided by IHSNot for ResaleNo reproduction or
9、 networking permitted without license from IHS-,-,-MIL-DTL-24643/72A 4 Fillers 2 Insulation 2Halogen content (percent, max.) Insulation 0.2Jacket 0.2 Fillers 0.2 Smoke index (max.) Jacket 25 Fillers 45Insulation 35Toxicity index (max.) Jacket 5 Fillers 5 Insulation 1.5Immersion (jacket) Tensile stre
10、ngth (percent of unaged, min.) 50 Elongation (percent of unaged, min.) 50 Durometer (jacket) Type A (hardness, min.) 80 Electrical moisture absorption No failure UNIT ORDERING LENGTHS: Type and size Feet (nominal) LSFCF 250 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revisio
11、n to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing Activity: Army MI Navy SH Navy SH (Project 6145-2009-090) Review Activities: Army AR, AV, CR Navy CG, EC DLA CC NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
