1、 INCH-POUND MIL-DTL-24643/22E 1 October 2009 SUPERSEDING MIL-DTL-24643/22D 22 August 2002 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO +90 C, 5000 VOLTS, TYPE LS5KVTSGU This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for
2、 acquiring 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. Minimum average wall thickness 0
3、.140 inch. Third - Optional covering (see table I for diameter) Fourth - The three conductors shall be 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. Standard identification code applied by Method 1 or lett
4、er identification code applied by Method 5. Fifth - An optional binder. Sixth - Cross-linked polyolefin jacket. Minimum average wall thickness 0.090 inch. AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/22E TABLE I. De
5、tails. Conductor size Military part no. M24643/22 Type and size Navy std AWG Cable overall diameter max. (inches) Conductor resistance (ohms) Insulation resistance (megohms) Accelerated service loading ampere -01UN LS5KVTSGU-100 100 0 (Class D) 1.74 0.106 400 295 -02UN LS5KVTSGU-150 150 000 (Class D
6、) 1.95 0.0674 350 400 -03UN LS5KVTSGU-250 250 250 MCM (Class C) 2.22 0.0453 300 535 -04UN LS5KVTSGU-350 350 350 MCM (Class D) 2.45 0.0321 265 665 -05UN LS5KVTSGU-400 400 (127) 2.60 0.0273 250 750 REQUIREMENTS: Qualification required. INSPECTION: Basic Electricals: Conductor resistance (ohms/1000 fee
7、t at 25 C, max.) See table I Voltage withstand (volts, root mean square, min.) Conductor to conductor 13500 Insulation resistance (megohms/1000 feet, min.) Conductor to conductor See table I Conductor continuity No failure Group A: Visual and dimensional No failure Watertightness (see MIL-DTL-24643
8、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, min.) 700 2 Provided by
9、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/22E 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 (
10、aged) air oven Jacket (cable) Tensile strength (percent of unaged, min.) 60 Elongation (percent of unaged, min.) 60 Permanence of printing (jacket) (cycles, min.) 125 Heat distortion (percent of unaged, max.) 30 Cable fill (sealant) removability No failure Shrinkage No failure Group D: Flame propaga
11、tion (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 (3 hours) No failure Accelerated service (Sizes 100 and larger) (see table I for load current) No fail
12、ure 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 Fillers 0.2Insulation 0.2 Immersion (jacket) 3 Provided by IHSNot for ResaleNo reprod
13、uction or networking permitted without license from IHS-,-,-MIL-DTL-24643/22E 4 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 5Insulation 1.5Durometer (jacket) - Type A
14、 (hardness, min.) 80 Weathering (jacket) No failure Electrical moisture absorption (extruded insulations only) No failure UNIT ORDERING LENGTHS: Type and size Feet (nominal) LS5KVTSGU all sizes 1000 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes wit
15、h respect to the previous issue due to the extent of the changes. Custodians: Preparing Activity: Army MI Navy SH Navy SH (Project 6145-2008-026) 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-,-,-
