1、AMSC N/A FSC 6145 INCH-POUND MIL-DTL-24640/15E 8 November 2011 SUPERSEDING MIL-DTL-24640/15D 22 August 2002 DETAIL SPECIFICATION SHEET CABLE, ELECTRIC, -20 TO +105 C, 600 VOLTS, LIGHTWEIGHT, MULTI-PAIR, 22 AWG, TYPE 2XSAW (INCLUDING VARIATION TYPES 2XSAOW AND 2XSAWA) This specification is approved f
2、or use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-24640. Construction (Watertight) First - Tin-coated copper conductor in accordance with table I. Second - Insulation
3、material and basic construction requirements shall be in accordance with SAE-AS81044/12 and tested in accordance with the component wire ratings and requirements listed on this specification sheet. Conformance testing shall be in accordance with SAE-AS81044 prior to cabling. Third - Two conductors,
4、one black and one white, twisted together. The pitch shall be 1 inch. Fourth - Optional binder tape. Fifth - Braided shield of 38 AWG tin-coated copper strands. Braid coverage shall be no less than 90 percent determined in accordance with WC-27500. Sixth - Shield insulation of two polyester tapes or
5、 a polyester tape and extruded jacket. Identification codes applied using Method 2. Seventh - The required number of shielded, twisted pairs shall be cabled together. Cabling sequence shall be consecutive, starting with number 1 from center outward. Fillers may be used, as necessary, to form a round
6、 cable. Eighth - Optional binder tape. Construction Variant for Type 2XSAW (see table II) Ninth - Cross-linked polyolefin jacket. NOTE: Manufacturers identification tape or thread is required (see 3.7.3). Construction Variant for Type 2XSAOW (see table IV) Ninth - Braided shield, tin-coated copper s
7、trands. Braid must be constructed to meet surface transfer impedance requirements as listed herein. Tenth - Optional binder tape. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24640/15E 2 Eleventh - Cross-linked polyolefin jacket. NOTE: Man
8、ufacturers identification tape or thread is required (see 3.7.3). Construction Variant for Type 2XSAWA (see table III) Ninth - Cross-linked polyolefin jacket. Tenth - Braided metal armor. NOTE: Manufacturers identification tape or thread is required (see 3.7.3). TABLE I. Component wire details. Wate
9、rtight conductor Finished wire Wire size (AWG) Stranding (no. x AWG) Diameter nominal (inches) Diameter (inches) Test load life cycle accelerated aging tests (lbs 3%) Low temp. at -40 C Mandrel diameter (inches) Test load (lbs) 22 7 x 30 0.030 0.047 0.003 0.190 0.75 1.0 TABLE II. Construction detail
10、s (unarmored cable). PIN M24640/15 Type number Number of pairs Jacket thickness (inch) (min.) Cable diameter (inch) Cable weight (pounds per 1000 feet) (max.) (min.) (max.) -01UN -02UN -03UN 2XSAW-3 2XSAW-7 2XSAW-14 3 7 14 0.041 0.041 0.041 0.368 0.461 0.641 0.396 0.497 0.691 115.0 195.0 390.0 TABLE
11、 III. Construction details (armored cable). PIN M24640/15 Type number Number of pairs Jacket thickness (inch) (min.) Cable diameter (inch) Cable weight (pounds per 1000 feet) (max.) (min.) (max.) -01AN -02AN -03AN 2XSAWA-3 2XSAWA-7 2XSAWA-14 3 7 14 0.041 0.041 0.041 0.418 0.511 0.691 0.456 0.557 0.7
12、51 148.0 244.0 446.0 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24640/15E 3 TABLE IV. Construction details - overall shield. PIN M24640/15 Type number Number of pairs Jacket thickness (inch) (min.) Cable diameter (inch) Cable weight (pou
13、nds per 1000 feet) (max.) (min.) (max.) -01UO -02UO -03UO -04UO -05UO -06UO -07UO -08UO 2XSAOW-3 2XSAOW-7 2XSAOW-10 2XSAOW-14 2XSAOW-19 2XSAOW-24 2XSAOW-30 2XSAOW-37 3 7 10 14 19 24 30 37 0.041 0.044 0.044 0.047 0.047 0.047 0.050 0.050 0.405 0.510 0.631 0.689 0.757 0.884 0.941 1.01 0.437 0.550 0.681
14、 0.743 0.817 0.952 1.02 1.09 160.0 260.0 385.0 465.0 627.0 800.0 910.0 1050.0 REQUIREMENTS: Qualification required. Construction details: See tables I, II, and III. Component wire: The component wire shall be in accordance with SAE-AS81044 and shall be tested in accordance with the following wire ra
15、tings and additional requirements. Temperature rating 135 C (275 F) (max.) conductor temperature Voltage rating 600 volts (root mean square) at sea level Accelerated aging Oven temperature, 2502 C (4823.6 F) for 6 hours Low temp. cold bend -40 C (-40 F) for 4 hours Blocking 1502 C (3023.6 F) Color I
16、n accordance with MIL-STD-104, Class 1 Flammability 30 seconds (max.) 3.0 inches (max.) No flaming of tissue paper Humidity resistance 5000 megohms for 1000 feet (min.) insulation resistance after humidity exposure Dielectric test Primary insulation 6.0 kilovolts (peak), 100 percent impulse test (wh
17、en tested in lieu of spark test) Finished wire 8.0 kilovolts (peak), or 3 kHz spark test 5.5 kV, 100 percent test Insulation resistance 5000 megohms for 1000 feet (min.) Life cycle Oven temperature, 2002 C (3923.6 F) for 120 hours Provided by IHSNot for ResaleNo reproduction or networking permitted
18、without license from IHS-,-,-MIL-DTL-24640/15E 4 Physical properties of primary insulation Tensile strength 2500 lb/in2(min.) Elongation 150 percent (min.) Shrinkage 0.125 inch (max.) at 2502 C (4822 F) Spark test primary insulation 1500 volts (root mean square), 3 KHz, 100 percent test Surface resi
19、stance 500 megohms inches (min.), initial and final readings Thermal shock Oven temperature, 1502 C (3023.6 F) Maximum change in measurement 0.060 inch Wet dielectric test 2500 volts (root mean square) Wrap test Mandrel wrap test required INSPECTION: Basic Electricals: Conductor resistance (ohms/100
20、0 feet at 25 C, max.) 17.89 Voltage withstand (volts, root mean square, min.) Conductor to conductor and shield 2000 Conductor to shield 1000 Component shield to component shield 200 Component shield to overall shield (2XSAOW only) 500 Insulation resistance (megohms, 1000 feet, min.) Conductor to co
21、nductor and shield 2500 Shield to shield (component shield only) 100 Shield to shield 100 (component shield to overall shield, 2XSAOW only) Conductor and shield continuity No failure Jacket flaws (Type 2XSAOW only) No failure Group A: Visual and dimensional No failure Capacitance: Mutual capacitance
22、 (at 1 MHz, picofarads/foot (pF/ft), max.) 55 Capacitance unbalance (percent, max.) 15 Characteristic impedance (at 1 MHz, ohms) 33 (min.), 72 (max.) Watertightness No failure (see table IX of MIL-DTL-24640 for limits of water leakage) Weight No failureProvided by IHSNot for ResaleNo reproduction or
23、 networking permitted without license from IHS-,-,-MIL-DTL-24640/15E 5 Group B: Cold bending No failure Drip No failureCross-link proof test (percent, max.) Jacket 50 Tear (lb/in thickness, min.) 35 Physicals (unaged) Jacket Tensile strength (lb/in2, min.) 1300 Elongation (percent, min.) 160 Attenua
24、tion (at 3 MHz, dB/100 feet, max.) Not applicable Gas flame (1 hour) Not applicable Group C: Armor (conformance to material, construction and coverage) No failure Physicals (aged), air oven Jacket Tensile strength (percent of unaged, min.) 60 Elongation (percent of unaged, min.) 60 Permanence of pri
25、nting (conductor insulation, cycles, min.) Not applicable Permanence of printing (jacket, cycles, min.) 125 Heat distortion (percent of unaged, max.) 30 Cable sealant removability No failure Shrinkage No failureSurface transfer impedance (Type 2XSAOW only) Milliohms per meter (max.) 700 EMP response
26、 (dB, min.) 60 Group D: Flame propagation No failure Qualification Inspection: Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following: Aging and compatibility (cable) No failure Armor No failureProvided by IHSNot for ResaleNo reproduction or networking pe
27、rmitted without license from IHS-,-,-MIL-DTL-24640/15E 6 Acid gas equivalent (percent, max.) Jacket 2 Fillers 2 Insulation 18 Halogen content (percent, max.) Jacket 0.2 Fillers 0.2 Immersion (jacket) Tensile strength (percent of unaged, min.) 50 Elongation (percent of unaged min.) 50 Smoke index (ma
28、x.) Jacket 25 Fillers 45Insulation 10Toxicity index (max.) Jacket 5 Fillers 5 Insulation 1.5 Durometer (jacket) - Type A (hardness, min.) 80 Weathering (jacket) No failure Fungus resistance No failure Abrasion resistance No failure Gas flame (3 hour) Not applicable Component wire No failure UNIT ORD
29、ERING LENGTHS: Type and size Feet (nominal) 2XSAW-3, 2XSAW-7, 2XSAW-14, 2XSAOW-3, 2XSAOW-7, 2XSAOW-10, 2XSAOW-14, 2XSAOW-19, 2XSAOW-24, 2XSAOW-30, 2XSAOW-37 3 & 14 500 19 - 37 250 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with respect to the pr
30、evious issue due to the extent of the changes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24640/15E 7 Custodians: Preparing Activity:Army MI Navy SH Navy SH (Project 6145-2009-083) Review Activities: Army AR, AV, CR, CR4 Navy CG, EC DLA
31、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 https:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
