MIL DTL 24643.64-2007 DETAIL SPECIFICATION SHEE T CABLE, ELECTRICAL, TWISTED SHIELDED PAIR , -40 °C TO 105 °C, 600V, TYPE LSTPSJ.pdf
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1、 INCH-POUND MIL-DTL-24643/64 28 June 2007 DETAIL SPECIFICATION SHEET CABLE, ELECTRICAL, TWISTED SHIELDED PAIR(S), -40 C TO 105 C, 600V, TYPE LSTPSJ This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product describe
2、d herein shall consist of this specification sheet and MIL-DTL-24643. REQUIREMENTS: Qualification Required. Construction (non-watertight)First - Copper conductor, tin-coated, in accordance with ASTM B286 (see Table I for sizes). Second - Separator may be used at the manufacturers option where requir
3、ed to provide free-stripping insulation. Third - Thermoset Insulation. Nominal 0.010 inch (see Table I for finished wire diameter). Fourth - Two conductors (one black and one white) twisted together with a lay length as specified in Table II. Fifth - Braided shield of #36 AWG tin-coated copper. Mini
4、mum coverage shall be 90 percent and the braid angle shall be between 20 and 40 degrees. Sixth - The required number of pairs (see Table III) cabled together with a lay length as specified in 3.4.4 of MIL-DTL-24643. Fillers shall be used as required to form a well rounded assembly. Seventh - Optiona
5、l binder tape applied with overlap. Eighth - Cross-linked polyolefin (XLPO) jacket. Jacket wall thickness shall be 0.0300.005 inch for cables with core diameters less than 0.300 inch. Jacket wall thickness shall be 0.0400.005 inch for cables with core diameters equal to or greater than 0.300 inch (s
6、ee Table III for finished cable diameter). AMSC N/A FSC 6145 Source: http:/ - Downloaded: 2008-02-14T01:34ZCheck the source to verify that this is the current version before use.MIL-DTL-24643/64 TABLE I. Wire configurations and dimensions. Finished Wire Diameter (inch) Wire Size Stranding Conductor
7、Diameter (inch) (0.003 inch) Min. Max. Conductor Resistance (ohms/1000 ft) at 25 C, Max. 24 19 X 36 0.024 0.041 0.047 24.91 22 19 X 34 0.030 0.047 0.053 15.59 20 19 X 32 0.039 0.056 0.062 9.57 18 19 X 30 0.049 0.066 0.072 6.10 16 19 X 29 0.056 0.073 0.079 4.73 14 19 X 27 0.070 0.087 0.093 2.99 TABLE
8、 II. Length of lay. Wire Size Range Lay Length Twist Tolerance (inch) 20-24 1 0.25 14-18 1.5 0.25 TABLE III. Cable core and finished cable diameter. Part No. M24643/64 Wire Size Number of Pairs Cable Core Diameter (includes braid and optional binder tape) (inch) (0.006 inch for single pair) (0.030 i
9、nch for multi-pair cables) Finished Cable Diameter (inch) (0.016 inch for single pair cables) (0.030 inch for multi-pair cables) -01UN 24 1 0.110 0.170 -02UN 22 1 0.122 0.182 -03UN 20 1 0.140 0.200 -04UN 18 1 0.160 0.220 -05UN 16 1 0.174 0.234 -06UN 14 1 0.202 0.262 -07UN 24 2 0.200 0.260 -08UN 22 2
10、 0.225 0.285 -09UN 20 2 0.265 0.325 -10UN 18 2 0.310 0.390 -11UN 16 2 0.340 0.420 -12UN 14 2 0.385 0.465 -13UN 24 3 0.215 0.275 -14UN 22 3 0.225 0.285 -15UN 20 3 0.265 0.325 -16UN 18 3 0.310 0.390 -17UN 16 3 0.370 0.450 2 Source: http:/ - Downloaded: 2008-02-14T01:34ZCheck the source to verify that
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