38999 Series

RNJ - Reduced Flange

When size and weight are critital for blind mate applications
Part Number :
38999 Series

RNJ - Reduced Flange

When size and weight are critital for blind mate applications

Key features

  • Derived from RNJ - HE308 Rack & Panel connector 
  • 8 shell sizes from 11 to 25
  • Same realignement capabilities than RNJ (3 axis)
  • For Jam Nut Plugs & Receptacles, with maximum weight / space savings
  • Several materials et platings available, with RoHS & REACH compliant versions


  • Battlefield Communication C5ISR
  • Ground Vehicles
  • Military Avionics
  • Commercial Air 
  • Missiles
  • Space
Technical information

Product benefits :

  • 20% weight savings versus standard RNJ plug
  • Connection between a rack and a panel without manually coupling/uncoupling the connectors
  • Uses sames contacts and inserts than 38999 series I & III
  • Stand-off reduced flange receptacle (double flange) version available
  • Compatible with many M85049 backshells for 38999 series I connectors

Materials & Platings :

  • Aluminum : Olive drab Cadmium, Black Zinc Nickel u, Nickel, u plated

Contacts types & terminations :

  • More than 80 contacts arrangements
  • Contacts size 23 HD to 4
  • Signal, Power, High-speed versions (Coax, Twinax, Quadrax, Octomax...), and optical termini
  • Crimp & PC-Tails (gold & tinned versions)

Environmental Characteristics :

  • 500 mating cycles
  • 65degC to +175degC
  • From 48 to 500 hours depending on material & plating
  • IPX7 when mated and fully cabled

Electrical characteristics :

  • Insulation resistance: @Ambient: 5000 Mohms
  • Contact rating from 3 to 100 Amps
1 documents
Product change notifications (PCN)
1 notifications
#PCN 133633
TV - Reduced flange receptacle
TV - Integrated Backshell
TV - Stand-off receptacle
LJT - HE308 - 38999 Series I
RNJ - Reduced Flange
RNJLP - Rack & Panel Low profile

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38999 reduced flange jam nut receptacle
I/O Connectors
38999 Series

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RNJ - Reduced Flange description

The Amphenol Socapex RNJ connector with Reduced Flange is a rack and panel connector designed for use in harsh environments. It features a lightweight and compact design, making it ideal for space-saving applications. 

The RNJ connector is derived from the HE308/38999 series I and offers realignment capability on three axes, ensuring easy installation and maintenance. One of the key features of the RNJ connector with Reduced Flange is its reduced flange size. This feature allows for an easier and more efficient installation process, while also reducing the overall weight and size of the connector. The RNJ connector with Reduced Flange is also highly durable, with a rating of 500 cycles. It features moisture resistance and corrosion resistance, with options for olive drab cadmium over nickel plating on an aluminum shell or electroless nickel. It also offers contact protection, preventing bent pins and short circuits during mating. 

The RNJ connector with Reduced Flange is designed for use in a variety of applications, including battlefield communication, ground vehicles, military avionics, and advanced industrial applications. With its compact size, durability, and realignment capability, the RNJ connector with Reduced Flange is an ideal choice for blind mate applications in harsh environments.