1、 INCH-POUND MIL-DTL-24643/73A 28 January 2010 SUPERSEDING MIL-DTL-24643/73 9 October 2008 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO + 90 C, 1000 VOLTS, TYPE LSTCF 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 First - Copper conductor, tin-coated, size 200, 550 strands of 24 AWG Second - Optional separator. Third - Thermoset insulation. Nominal wall thickness of 0.055 inch. Circui
3、t identification shall be accomplished by solid-colored insulation or printed marking on the wire in accordance with table II. Fourth - Three conductors cabled together with a lay in accordance with 3.4.4 of MIL-DTL-24643. Fillers may be used as necessary to form a firm well-rounded assembly. Fifth
4、 Optional binder. Sixth - Cross-linked polyolefin jacket. Color black. Nominal wall thickness of 0.075 inch (see table I). AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/73A TABLE I. Construction details. Overall dia
5、meter (inches) Military part no. M24643/73 Type cycles, min.) 25 Permanence of printing (jacket) (cycles, min.) 125 Heat distortion (percent of unaged, max.) 30 Shrinkage No failure Group D: Flame propagation (cable) No failure Qualification Inspection: Qualification inspection shall include basic e
6、lectricals; 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 Fillers 2 Insulation 2Halogen content (percent, max.) Jacket 0.2 Fillers 0.2Insulation 0.2 Immersion
7、 (jacket) Tensile strength (percent of unaged, min.) 50 Elongation (percent of unaged, min.) 50 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/73A 4 Smoke index, max. Jacket 25 Fillers 45 Insulation 45Toxicity index, max. Jacket 5 Fi
8、llers 5Insulation 1.5 Durometer (jacket) Type A (hardness, min.) 80 Electrical moisture absorption No failure UNIT ORDERING LENGTHS: Type and size Feet (nominal) LSTCF 250 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with respect to the previous i
9、ssue due to the extent of the changes. Custodians: Preparing Activity: Army MI Navy SH Navy SH (Project 6145-2009-091) 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-,-,-
