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Molex Product News

MXL38999™ Connector System

Molex MXL38999 Connectors A high-density optical version of the popular MIL-DTL-38999 Series III connector system, Molex’s high-density MXL38999™ connector system provides the industry’s only full range of MIL-DTL-38999 solutions for single mode APC applications.

Available in all standard shell materials and plating options, Molex’s MXL38999 uses Molex’s LumaCore™ optical terminus technology. The innovative design enables the connector system to deliver superior optical performance across all optical fiber applications, including APC and UPC single mode and PC multi mode versions.

MXL38999 connectors include precision-machined and plated all metallic inserts. Without plastic distortions found in other 38999 connector designs, MXL38999 can deliver stable optical performance across broad temperature ranges. The flexibility of the connector is further enhanced with a removable alignment sleeve holder. This enables mass cleaning and inspection of the LumaCore terminus as well as connector polarity options.

Features and benefits:

  • Available in aluminum, stainless steel and composite construction
  • Suitable for multi-mode and single-mode applications
  • Standard MIL-DTL-38999 Series III plug to receptacle sealing and accessory threads
  • Removable alignment sleeve assembly
  • Precision stainless steel guide pins


  • Aerospace and Defense
  • Avionics
  • Industrial
  • Data Acquisition
  • Sensors and Transmitters
  • Networking
  • Data Communication Centers
  • Base Stations
  • Telecommunications
  • Datacommunication Networks
  • Switches
  • Wireless Base Stations
See also:
Molex MXL38999™ Data sheet
Molex MXL38999™ Brochure for more product information, specifications, applications and ordering information.