Octax® 38999 Style Circular Solutions

Octax® 38999 Size 19 Pair

Our Octax® connector technology is available in a 38999 style housing application. High-density and in a compact footprint, this solution is ideal for use in the defense, commercial, and industrial markets.

Available through Amphenol CIT Direct!
Select PNs are available off-the-shelf in low-volume quantities through our Amphenol CIT Direct Service.


  • High Density: Up to 8 Octax® in a size 25 shell
  • MIL-DTL-38999 shell styles available from size 9 to 25
  • Uses AS39029  22D crimp contacts
  • Field repairable
  • No special tooling required
  • PCB tail versions available
  • Meets environmental requirements of MIL-DTL-38999

Electrical Properties

  • Dielectric Withstand Voltage: 1000 VDC
  • Current & Voltage Rating: 4 amps and 115 VAC
  • Shell-to-Shell Contact Resistance: < 3.0 mΩ
  • Insulation Resistance of Inserts: > 5.0x10^9 Ω

Mechanical/Physical Properties

  • Mating Cycles: >500
  • Operating Temperature: –65 °C to 175 °C
  • Materials & Plating: consistent w/AS39029


  • Capable of delivering data transfer speed of 10gbits/sec or higher
  • Compliant with TIA/EIA & ISO CAT 6A or CAT 7 test standards
  • Optimized for 1G & 10G applications
  • Excellent corrosion resistance
  • Excellent shell-to-shell conductivity
  • Superb EMI shielding
  • Unique contact retaining mechanism for ease of manufacturing & field rework
  • Very compact & lightweight
  • Highly precise CNC machined parts
  • Environmentally sealed
  • ROHS compliant
  • Data rate: 10 gbps

Octax Hybrid

The Octax Hybrid connector series is a high-performance multi-port 10 Gb data connector with additional discretes in a single 38999 shell. Ideal for both commercial aviation and defense use, this connector solution combines multiple key configurations and extends the shield through the connector to ensure 10 Gb performance on multiple data ports.

Key Characteristics:

  • Use standard M39029 crimp contacts, enabling re-termination and field repair without the expense of single-use connector solutions
  • Engineered for use with Amphenol CIT 26 or 24 AWG 10 Gb data cables for optimal performance
  • Configurable to customer needs

Need a different arrangement of 10 Gb data and discretes?
Contact our engineering team to optimize for your application.

Product Information Resources

Octax® 38999 Style Connector Replacement Components datasheet

Octax® Ultra High-Speed Interconnect Solutions Brochure

Octax® Hybrid datasheet

3D Models Catalog

Product Categories

Connectors & Accessories

Product Markets

Commercial Aerospace

More Information

To inquire about Octax® 38999 Style Circular Solutions available from Amphenol CIT, please fill out the form below, and one of our Sales Engineers will contact you.

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Octax® 38999 Style Circular Solutions
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