1、 INCH-POUND MIL-DTL-24643/48F 1 October 2009 SUPERSEDING MIL-DTL-24643/48E 22 August 2002 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO +90 C, 1000 VOLTS, TYPE LSDNW This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acq
2、uiring the product described herein shall consist of this specification sheet and MIL-DTL-24643. Construction, Non-Watertight First - Copper conductor, coated or uncoated (see table I for size). Second - Separator may be used at manufacturers option where required to provide free-stripping insulatio
3、n. Third - Thermoset insulation (see table I for thickness). Standard identification code shall be applied by Method 1 or Method 3. If identification Method 1 is used, the insulation color shall be black. Fourth - Two conductors shall be cabled together with a lay in accordance with 3.4.4 of MIL-DTL
4、-24643. Fillers may be used as necessary to form a firm well-rounded assembly. Fifth - An optional binder. Sixth - Cross-linked polyolefin jacket (see table I for thickness). AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-2
5、4643/48F TABLE I. Details. Overall diameter Military part no. M24643/48 Type and size AWG conductor size Insulation thickness min. avg. (inch) Cable jacket thickness (min. avg.) (inch) min. (inch) max. (inch) -01UN LSDNW-3 16 (Class B) 0.030 0.040 0.361 0.390 -02UN LSDNW-4 14 (Class B) 0.030 0.040 0
6、.398 0.430 -03UN LSDNW-9 10 (Class B) 0.030 0.040 0.504 0.545 -04UN LSDNW-14 9 (Class B) 0.045 0.040 0.564 0.610 -05UN LSDNW-23 7 (Class B) 0.045 0.045 0.638 0.690 -06UN LSDNW-50 3 (Class C) 0.045 0.050 0.842 0.910 -07UN LSDNW-75 1 (Class C) 0.055 0.055 1.000 1.080 -08UN LSDNW-100 0 (Class D) 0.055
7、0.055 1.082 1.170 -09UN LSDNW-200 0000(Class D) 0.055 0.070 1.498 1.413 -10UN LSDNW-300 300MCM (Class D) 0.055 0.085 1.756 1.671 -11UN LSDNW-400 400 (127) (Navy std) 0.055 0.085 1.984 1.899 TABLE II. Electrical details. Type and size Conductor resistance (ohms) Insulation resistance (megohms) Voltag
8、e withstand min. (volts) Accelerated service loading current (amperes) LSDNW-3 4.3 6000 4000 NA LSDNW-4 2.68 5000 4000 NA LSDNW-9 1.08 3800 4000 NA LSDNW-14 0.86 4400 5500 100 LSDNW-23 0.54 3700 5500 130 LSDNW-50 0.21 2600 5500 215 LSDNW-75 0.13 2600 7000 285 LSDNW-100 0.11 2400 7000 335 LSDNW-200 0
9、.053 2400 7000 525 LSDNW-300 0.0377 2400 7000 700 LSDNW-400 0.0273 2400 7000 8352 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/48F REQUIREMENTS: Qualification required. INSPECTION: Basic Electricals: Conductor resistance (ohms/1000 f
10、eet at 25 C, max.) See table II Voltage withstand (volts, root mean square, min.) Conductor to conductor See table II Insulation resistance (megohms/1000 feet, min.) Conductor to conductor (see table II) Conductor continuity No failure Group A: Visual and dimensional No failure Group B: Cold bending
11、 cable No failure Thermoset proof test (percent, max.) Insulation 50 Jacket (when tested at 200 C) 50 Physicals (unaged) Insulation (extruded) Tensile strength (lb/in2, min.) 700 Elongation (percent, min.) 150 Jacket (cable) Tensile strength (lb/in2, min.) 1300 Elongation (percent, min.) 160 Tear (p
12、ounds per inch thickness, min.) 35 Group C: Physicals (aged) air oven Insulation (extruded) Tensile strength (percent of unaged, min.) 75 Elongation (percent of unaged, min.) 75 Jacket (cable) Tensile strength (percent of unaged, min.) 60 Elongation (percent of unaged, min.) 60 3 Provided by IHSNot
13、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/48F Permanence of printing (insulation), Method 1 only (cycles, min.) 25 Permanence of printing (jacket) (cycles, min.) 125 Heat distortion (percent of unaged, max.) 30 Shrinkage No failure Group D: Flame pr
14、opagation (cable) No failure Qualification Inspection: Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following: Accelerated service, Sizes 14 and larger (see table II for load current) No failure Aging and compatibility (cable) (1255 C) No failure Abrasion
15、 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) Tensile strength (percent of unaged, min.) 50 Elongation (percent of unaged, min.) 50 Smoke index (max.)
16、 Jacket 25 Fillers 45Insulation 45 Toxicity index (max.) Jacket 5 Fillers 5Insulation 1.5Durometer (jacket) - Type A (hardness, min.) 80 Weathering (jacket) No failure Electrical moisture absorption No failure 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
17、m IHS-,-,-MIL-DTL-24643/48F 5 UNIT ORDERING LENGTHS: Type Size Feet (nominal) LSDNW 3 2500 LSDNW 4 through 23 2000 LSDNW 50 1500 LSDNW 75 and 100 1000 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the exten
18、t of the changes. Custodians: Preparing Activity: Army MI Navy SH Navy SH (Project 6145-2008-052) 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-,-,-
