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M17/RG-142 M17/RG-178 M17/RG-179 M17/RG-303 M17/RG-316 M17/RG-393
M17/RG-400

High Temperature Coax – MIL-C-17 Specified Cable

Our High Temp Coaxial Cables meet strict MIL-C-17 specifications, making them the preferred choice for aerospace, defense, and demanding RF environments. Designed for thermal stability and electrical consistency, these cables deliver mission-critical performance across a wide range of applications.

Features & Benefits:

  • ✅ Complies with MIL-C-17 military-grade specifications
  • ✅ PTFE dielectric and silver-plated conductors for high heat tolerance
  • ✅ Maintains consistent 50 Ohm impedance and low signal loss
  • ✅ Abrasion, fluid, and UV-resistant outer jackets
  • ✅ Excellent shielding for EMI/RFI rejection

Available MIL-C-17 Subcategories:

  • ✅ RG-142B/U – Dual shielded silver-plated coax, ideal for RF lab and antenna systems
  • ✅ RG-400/U – Flexible high-temp cable used in avionics and RF communications
  • ✅ RG-393/U – Heavy-duty PTFE cable rated for harsh outdoor and industrial environments

Typical Applications:

  • ✅ Military RF systems and tactical field communications
  • ✅ Aerospace & aviation electronics
  • ✅ Radar, satellite, and RF test equipment
  • ✅ High-temperature industrial and marine environments

We offer a range of MIL-C-17 coax cable types by the foot or in custom lengths. Contact us for volume pricing, technical assistance, or help choosing the right cable for your mission-critical needs.

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High Temp M17-RG142 High Temp M17-RG178 High Temp M17-RG17 High Temp M17-RG303
High Temp M17-RG142 Coax 25 FT
Our price: $98.92
Sale Price: $96.47
Savings: $2.45
High Temp M17-RG303 Coax 25 FT
Our price: $33.99

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RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/94-RG179 Made up of  7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/111-RG303 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 36 AWG silver-coated copper braid shield
High Temp M17-RG393 High Temp M17-RG400 High Temp M17-RG393 High Temp M17-RG142
High Temp M17-RG400 Coax 25 FT
Our price: $91.59
Sale Price: $90.17
Savings: $1.42
High Temp M17-RG142 Coax 50 FT
Our price: $197.84
Sale Price: $192.93
Savings: $4.91
M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. M17/128-RG400 Made up of  9/.0080 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 36 AWG silver-coated copper braid shields. M17/127-RG393 Made up of a 7/.0312 silver-coated copper conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of 34 AWG silver-coated copper braid shields. RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper.
High Temp M17-RG142 High Temp M17-RG142 High Temp M17-RG142 High Temp M17-RG142
High Temp M17-RG142 Coax 75 FT
Our price: $296.75
Sale Price: $289.40
Savings: $7.35
High Temp M17-RG142 Coax 100 FT
Our price: $395.67
Sale Price: $385.86
Savings: $9.81
High Temp M17-RG142 Coax 125 FT
Our price: $494.59
Sale Price: $482.33
Savings: $12.26
High Temp M17-RG142 Coax 150 FT
Our price: $593.51
Sale Price: $578.79
Savings: $14.72
RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper.
High Temp M17-RG142 High Temp M17-RG142 High Temp M17-RG178 High Temp M17-RG178
High Temp M17-RG142 Coax 175 FT
Our price: $692.42
Sale Price: $675.26
Savings: $17.16
High Temp M17-RG142 Coax 200 FT
Our price: $791.34
Sale Price: $771.72
Savings: $19.62
RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. RG142 Solid silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and 2 overall shields of silver-coated copper. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid. M17/93-RG178 - 7/.0040 silver-coated copper clad steel conductor with a polytetrafluoroethylene (PTFE) dielectric, fluorinated ethylene propylene (FEP) jacket, and an overall braid shield of 38 AWG silver-coated copper braid.