MIL-DTL-24643/59 (LSC5OS-4, LSC5OSW-4, LSC5FS-4)
The M24643/59 Defense-Link™cable is a low-smoke, zero-halogen shipboard cable. It meets many compliances and is suitable for use in rigorous environments. This Mil-Spec cable features a solid bare copper conductor, Polyethylene (PE) insulation, and an LSZH Cross-Linked Polyolefin (XLPO) jacket. It also features an aluminum/polyester shield. This cable is suitable for use in shipboard combat systems, interior communications, and lighting and power applications that do not exceed 300V. The Mil-DTL-24643 Mil-Spec covers cables suitable for use in shipboard, communications, instrumentation, and electronic applications.
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MIL-DTL-24643/59 (LSC5OS-4, LSC5OSW-4, LSC5FS-4) Defense-Link™ Shipboard Cable Specifications
M24643/59 Construction:
- Conductors: 24 AWG Solid Bare Copper
- Insulation: Polyethylene (PE)
- Pair Assembly: Conductors Twisted to varying lays
- Cable Assembly: 4 Pairs Cabled with Separator
- Tape: Polypropylene (PE) 25% Overlap (LSC5OS-4), Foam Polypropylene (PE) 25% Overlap (LSC5FS-4), Water Blocking Tape (LSC5OSW-4)
- Shield: Aluminum/Polyester (LSC5OSW-4 & LSC5OS-4), Aluminum/Polyester 25% Overlap (LSC5FS-4)
- Drain: 24 AWG Stranded Tinned Copper (LSC5FS-4)
- Tape: Flame Retardant Tape 25% Overlap (LSC5FS-4)
- Tape: Fiberglass Tape 25% Overlap (LSC5FS-4)
- Tape: Marker Tape (LSC5FS-4)
- Braid: 36 AWG Tinned Copper (LSC5OS-4, LSC5OSW-4)
- Jacket: Low Smoke Zero Halogen (LSZH), Cross-Linked Polyolefin (XLPO)
M24643/59 Compliances:
- Acid Gas Generation: MIL-DTL M24643C (4.8.23)
- Halogen Content: MIL-DTL M24643C (4.8.23)
- NES 713 Toxicity: MIL-DTL M24643C (4.8.27)
- Flame Propagation: MIL-DTL M24643C (4.8.13)
- Jacket Immersions: MIL-DTL M24643C (4.8.26)
- Jacket Tear: MIL-DTL M24643C (4.8.20)
- Heat Distortion: MIL-DTL M24643C (4.8.15)
- Weathering: MIL-DTL M24643C (4.8.28)
- QPL Approved: Ser. 05S/2015-226
M24643/59 Electrical Performance:
- Voltage Rating: 300 Volts
- Max. DC Resistance: 9.83Ω/100m
- Max DC Resistance Unbalance: 5.0 %
- Nominal Velocity of Propagation: 68 %
- Max Propagation Delay Skew: 45 ns/100m
Category 5e Electricals Chart (Per ANSI/TIA 568-C.2)
| Freq. | Return Loss (dB) | Attenuation (dB/100m) | NEXT (dB/100m) | PSNEXT (dB/100m) | ACRF (dB/100m) | PSACRF (dB/100m) |
|---|---|---|---|---|---|---|
| (MHz.) | (Min) | (Max) | (Min) | (Min) | (Min) | (Min) |
| 1 | 20 | 2 | 65.3 | 62.3 | 63.8 | 60.8 |
| 4 | 23 | 4.1 | 56.3 | 53.3 | 51.7 | 48.7 |
| 8 | 24.5 | 5.8 | 51.8 | 48.8 | 45.7 | 42.7 |
| 10 | 25 | 6.5 | 50.3 | 47.3 | 43.8 | 40.8 |
| 16 | 25 | 8.2 | 47.3 | 44.3 | 39.7 | 36.7 |
| 20 | 25 | 9.3 | 45.8 | 42.8 | 37.7 | 34.7 |
| 25 | 24.3 | 10.4 | 44.3 | 41.3 | 35.8 | 32.8 |
| 31.25 | 23.6 | 11.7 | 42.9 | 39.9 | 33.9 | 30.9 |
| 62.5 | 21.5 | 17 | 38.4 | 35.4 | 27.8 | 24.8 |
| 100 | 20.1 | 22 | 35.3 | 32.3 | 23.8 | 20.8 |
Category Color Code:
| Color Code | |
|---|---|
| Pair 1 | Blue - White/Blue |
| Pair 2 | Orange - White/Orange |
| Pair 3 | Green - White/Green |
| Pair 4 | Brown - White/Brown |