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RG-400 Coaxial Cable | MIL-C-17/128

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$4.47

Per Feet

High-temperature RG-400 coaxial cable built to MIL-C-17/128. 50 Ω silver-plated stranded copper conductor with dual braid shields and PTFE insulation for superior RF performance.

In stock

Part Number: RG-400 Category: Brand:

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The RG-400 Coaxial Cable is a premium, high-temperature RF cable designed for reliable signal transmission in demanding aerospace, defense, and communication systems. Built to MIL-C-17/128 specifications, it features a silver-plated stranded copper conductor, dual silver-plated copper braid shields, and a PTFE dielectric for exceptional electrical performance and flexibility.

This 50-ohm coaxial cable provides low signal loss, excellent shielding effectiveness, and consistent impedance over a wide frequency range. Its dual-braid construction ensures superior EMI protection, while the PTFE insulation offers outstanding resistance to heat, vibration, and chemicals—making RG-400 ideal for avionics, antenna feeds, radar, and test equipment applications.

Key Features

  • Impedance: 50 Ω
  • Conductor: Silver-plated stranded copper
  • Dielectric: PTFE (Polytetrafluoroethylene)
  • Shield: Dual silver-plated copper braids for high EMI protection
  • Temperature range: -55 °C to +200 °C
  • Voltage rating: 1900 V RMS (typical)
  • Complies with MIL-C-17/128 (RG-400) standard

The RG-400 MIL-Spec Coaxial Cable delivers outstanding performance for high-frequency, high-reliability installations in both commercial and military aircraft, where durability, shielding, and low attenuation are critical.

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Harbour Industries is a trusted U.S.-based manufacturer specializing in high-performance wire and cable products for aerospace and defense applications. With decades of industry experience, Harbor delivers precision-engineered solutions that meet the rigorous standards of MIL-SPEC and FAA-certified environments. Known for quality, consistency, and fast turnaround times, Harbor Industries is a go-to choice for aircraft wiring professionals worldwide.

Specification

RG

RG-400

Standard

Impedance

50 Ω

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