NAVY MIL-DTL-24643 24 C-2009 CABLE ELECTRICAL -20 DEGREE C TO +150 DEGREE C TYPES LSTCJX LSTCKX LSTCTX LSTCJXN LSTCKXN AND LSTCTXN《LSTCJX LSTCKX LSTCTX LSTCJXN LSTCKXN及LSTCTXN型-20 .pdf

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1、 INCH-POUND MIL-DTL-24643/24C 1 October 2009 SUPERSEDING MIL-DTL-24643/24B 22 August 2002 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, -20 C TO +150 C, TYPES LSTCJX, LSTCKX, LSTCTX, LSTCJXN, LSTCKXN, AND LSTCTXN This specification is approved for use by all Departments and Agencies of the Departmen

2、t of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-24643. Construction, Types LSTCJX, LSTCKX and LSTCTX (Watertight with Circuit Integrity) Types LSTCJXN, LSTCKXN and LSTCTXN (Non-Watertight with Circuit Integrity) First -

3、Stranded conductor, uncoated (see table I for size and stranding). Second - Extruded silicone rubber insulation (see table I for dimensions). Third - Glass braid (see table I for dimensions). Fourth - Transparent braid covering. Fifth - Two conductors cabled together to form a pair with a lay not gr

4、eater than 2.25 inches. For LSTCJX and LSTCJXN, one iron conductor and one constantan conductor. For LSTCKX and LSTCKXN, one chromel and one alumel conductor. For LSTCTX and LSTCTXN, one copper conductor and one constantan conductor. Types J, K, and T thermocouple conductors shall be in accordance w

5、ith ANSI MC96.1. Color code applied by Method 4, see table II for color code sequence. Sixth - The specified number of pairs (see table I) shall be cabled together with a lay not greater than 10 inches. Fillers may be used as necessary to form a firm well-rounded assembly. Cabling sequence shall be

6、consecutive, starting with pair 1 from the center outward. Seventh - A binder applied helically with overlap. Eighth - Silicone rubber jacket colored orange or red (see table I for thickness). Ninth - Braided metal armor. AMSC N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking p

7、ermitted without license from IHS-,-,-MIL-DTL-24643/24C TABLE I. Details. Conductors Overall cable Military part no. M24643/24 Type and size No. of pairs No. of strands and strand diameter (inch) Diameter over insulation nominal (inch) Diameter over braid covering max. (inch) Jacket thickness min. a

8、vg. (inch) Diameter max. (inch) -01AN LSTCJX-3 3 7/0.0201 0.100 0.125 0.050 0.742 -02AN LSTCJX-7 7 7/0.0201 0.100 0.125 0.062 0.983 -03AN LSTCJX-12 12 7/0.0201 0.100 0.125 0.062 1.269 -04AN LSTCKX-1 1 7/0.0201 0.100 0.125 0.038 0.456 -05AN LSTCKX-3 3 7/0.0201 0.100 0.125 0.050 0.742 -06AN LSTCKX-7 7

9、 7/0.0201 0.100 0.125 0.062 0.983 -07AN LSTCKX-12 12 7/0.0201 0.100 0.125 0.062 1.269 -08AN LSTCTX-1 1 7/0.0113 0.065 0.085 0.038 0.350 -09AN LSTCTX-3 3 7/0.0113 0.065 0.085 0.038 0.552 -10AN LSTCTX-7 7 7/0.0113 0.065 0.085 0.050 0.731 -11AN LSTCTX-12 12 7/0.0113 0.065 0.085 0.063 0.964 -12AN LSTCJX

10、N-3 3 7/0.0201 0.100 0.125 0.050 0.742 -13AN LSTCJXN-7 7 7/0.0201 0.100 0.125 0.062 0.983 -14AN LSTCJXN-12 12 7/0.0201 0.100 0.125 0.062 1.269 -15AN LSTCKXN-1 1 7/0.0201 0.100 0.125 0.038 0.456 -16AN LSTCKXN-3 3 7/0.0201 0.100 0.125 0.050 0.742 -17AN LSTCKXN-7 7 7/0.0201 0.100 0.125 0.062 0.983 -18A

11、N LSTCKXN-12 12 7/0.0201 0.100 0.125 0.062 1.269 -19AN LSTCTXN-1 1 7/0.0113 0.065 0.085 0.038 0.350 -20AN LSTCTXN-3 3 7/0.0113 0.065 0.085 0.038 0.552 -21AN LSTCTXN-7 7 7/0.0113 0.065 0.085 0.050 0.731 -22AN LSTCTXN-12 12 7/0.0113 0.065 0.085 0.063 0.964 2 Provided by IHSNot for ResaleNo reproductio

12、n or networking permitted without license from IHS-,-,-MIL-DTL-24643/24C TABLE II. Color identification code. Iron, copper, or chromel leg Pair number Constantan or alumel Base color Tracer color 1 Red White - 2 Re Black 3 Red Green - 4 Re Orange 5 Red Blue - 6 Re White Black 7 Red White Green 8 Re

13、White Orange 9 Red White Blue 10 Re White Red 11 Red Black White 12 Re Green WhiteREQUIREMENTS: Qualification required. INSPECTION: Basic Electricals: Voltage withstand (volts, root mean square, min.) Conductor to conductor 2000 Insulation resistance (megohms/1000 feet, min.) Conductor to conductor

14、500 Conductor continuity No failure ANSI MC96.1 calibration limits of error: Types LSTCJX and LSTCJXN 2.2 C Types LSTCKX and LSTCKXN -32 to 530 F 4 C Types LSTCTX and LSTCTXN 1 C Group A: Visual and dimensional No failure Watertightness Types LSTCJX, LSTCKX, and LSTCTX only No failure (see MIL-DTL-2

15、4643 for limits of water leakage) Group B: Cold bending cable No failure Thermoset proof test (percent, max.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24643/24C Insulation 50Jacket (when tested at 200 C) 50 Physicals (unaged) Insulat

16、ion (extruded) Tensile strength (lb/in2, min.) 700 Elongation (percent, min.) 150 Jacket (cable) Tensile strength (lb/in2, min.) 800 Elongation (percent, min.) 250 Durometer (jacket) - Type A (hardness, min.) 60 Group C: Physicals, cable aging (26010 C) Jacket (cable) Tensile strength (lb/in2, min.)

17、 600 Elongation (percent, min.) 150 Group D: Flame propagation (cable) No failure Qualification Inspection: Qualification inspection shall include basic electricals; groups A, B, C, and D; plus the following: Gas flame (3 hours) No failure Aging and compatibility (cable) (1255 C) No failure Armor (c

18、onformance to material, construction and coverage) No failure Acid gas equivalent (percent, max.) Jacket 2 Fillers 2 Insulation 18Halogen content (percent, max.) Jacket 0.2 Fillers 0.2Insulation 0.2 Smoke index (max.) Jacket 35 Fillers 454 Provided by IHSNot for ResaleNo reproduction or networking p

19、ermitted without license from IHS-,-,-MIL-DTL-24643/24C 5 Insulation 35Toxicity index (max.) Jacket 5 Fillers 5 Insulation 1.5Electrical moisture absorption No failure UNIT ORDERING LENGTHS: Type and size Feet (nominal) All types and sizes 100 CHANGES FROM PREVIOUS ISSUE: Marginal notations are not

20、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 6145-2008-028) Review Activities: Army AR, AV, CR Navy CG, EC DLA CC NOTE: The activities listed above were interested in th

21、is 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-,-,-