1、 INCH-POUND MIL-DTL-24643/19F 1 October 2009 SUPERSEDING MIL-DTL-24643/19E 22 August 2002 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO +105 C, 1000 VOLTS, TYPE LS6SGU This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for a
2、cquiring the product described herein shall consist of this specification sheet and MIL-DTL-24643. Construction, Watertight with Circuit Integrity First - Copper conductor, coated or uncoated (see table I for size). Second - Thermoset insulation, extruded or taped (see table I for thickness). Standa
3、rd identification code applied by Method 5 (two conductors each A, B, and C). Third - The six conductors shall be cabled together with a lay in accordance with 3.4.4 of MIL-DTL-24643. Cabling sequence shall be A, B, C, A, B, C. Fourth - An optional binder. Fifth - Cross-linked polyolefin jacket (see
4、 table I for thickness.) AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/19F 2TABLE I. Details. Military part no. M24643/19 Type and size Conductor sizeAWG Cable overall diameter max. (inches) Insulation thickness min.
5、 avg. (inch) Conductor resistance max. (ohms) Jacket thickness min. avg. (inch) Insulation resistance (megohms) Accelerated service loading amperes -01UN LS6SGU-100 0 (Class D) 1.600 0.035 0.1060 0.060 160 475 -02UN LS6SGU-125 00 (Class D) 1.790 0.040 0.0850 0.060 150 520 -03UN LS6SGU-150 000 (Class
6、 D) 1.960 0.040 0.0674 0.060 135 570 -04UN LS6SGU-200 0000 (Class D) 2.200 0.050 0.0530 0.075 125 650 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/19F REQUIREMENTS: Qualification required. INSPECTION: Basic Electricals: Conductor res
7、istance (ohms/1000 feet at 25 C, max.) (see table I) Voltage withstand (volts, root mean square, min.) Conductor to conductor 5000 Insulation resistance (megohms/1000 feet, min.) Conductor to conductor (see table I) Conductor continuity No failure Group A: Visual and dimensional No failure Watertigh
8、tness (see MIL-DTL-24643 for limits of water leakage) No failure Group B: Cold bending cable No failure Thermoset proof test (percent, max.) Insulation (extruded insulations only) 50 Jacket (when tested at 200 C) 50 Drip (951 C) Zero Physicals (unaged) Insulation (extruded) Tensile strength (lb/in2,
9、 min.) 700 Elongation (percent, min.) 150 Jacket (cable) Tensile strength (lb/in2, min.) 1300 Elongation (percent, min.) 160 Tear (lb/in thickness, min.) 35 Gas flame (1 hour) No failure Group C: Physicals (aged) air oven Jacket (cable) Tensile strength (percent of unaged, min.) 60 Elongation (perce
10、nt of unaged, min.) 60 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/19F Permanence of printing (insulation extruded coverings only) 25 (cycles, min.) Permanence of printing (jacket) (cycles, min.) 125 Heat distortion (percent of un
11、aged, max.) 30 Cable fill (sealant) removability No failure Shrinkage No failure Group D: Flame propagation (cable) No failure Qualification Inspection: Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following: Cold working (minus 202 C) No damage Gas flame
12、 (3 hours) No failure Accelerated service (see table I for load current) No failure Aging and compatibility (cable) (1255 C) No failure Abrasion resistance (jacket) (scrapes, min.) 75 Acid gas equivalent (percent, max.) Jacket 2 Fillers 2 Insulation 18Halogen content (percent, max.) Jacket 0.2 Fille
13、rs 0.2Insulation 0.2 Immersion (jacket) Tensile strength (percent of unaged, min.) 50 Elongation (percent of unaged, min.) 50 Smoke index (max.) Jacket 25 Fillers 45Insulation 45 Toxicity index (max.) Jacket 5 Fillers 54 Provided by IHSNot for ResaleNo reproduction or networking permitted without li
14、cense from IHS-,-,-MIL-DTL-24643/19F 5 Insulation 1.5 Durometer (jacket) - Type A (hardness, min.) 80 Weathering (jacket) No failure Electrical moisture absorption (extruded insulations only) No failure UNIT ORDERING LENGTHS: Type and size Feet (nominal) LS6SGU all sizes 800 CHANGES FROM PREVIOUS IS
15、SUE: Marginal notations are not used in this revision 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 6145-2008-023) Review Activities: Army AR, AV, CR Navy CG, EC DLA CC NOTE: The activities li
16、sted 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-,-,-
