38999 Series

SC39 Quick-Release

Light, small and strong push-pull connector
Part Number :
38999 Series

SC39 Quick-Release

Light, small and strong push-pull connector

Key features

  • Quick disconnect spring release connector derived from MIL-DTL-38999 Series III
  • Standard shell sizes from 9 to 17 (larger sizes available upon requests)
  • Easy connection & disconnection, 100% scoop-proof design
  • Ruggedized product with an high resistance to shocks & vibrations
  • Several materials et platings available, with RoHS & REACH compliant versions


  • Military avionics 
  • Battlefield Communication C5ISR
  • Missiles
  • Grounded vehicles
  • Space
Technical information

Product benefits :

  • Several receptacles and plugs style : Lanyard versions, square flange, jam nut, in-line…
  • Standard receptacles separation forces : 50 to 100N
  • Low force receptacles separation forces : less than 50 N
  • Uses sames contacts and inserts than 38999 series III
  • Many versions available : Integrated backshell, Stand-off (double flange)…

Materials & Platings :

  • Aluminum : Olive drab Cadmium, , Nickel,  plated
  • Stainless Steel : Passivated

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
  • -65°C to +175°C or 200°C depending on material & plating
  • From 48 to 500 hours depending on material & plating
  • IPX7 when mated and fully cabled

Electrical characteristics :

  • Shell to shell conductivity from 1 to 10 mΩ depending on materials & platings
  • Receptacle's spring ensure EMI protection and shell to shell conductivity
  • Contact rating from 3 to 100 Amps
2 documents

Catalog MIL-DTL-38999 & Derivates

Last update : 05/03/2024

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SC39 Quick-Release description

The SC39 connectors are ideal for applications which required a fast and easy connection/disconnection. The SC39 connector from Amphenol Socapex is a high-performance solution designed for use in demanding applications. Based on the MIL-DTL-38999 Series III connector, the SC39 is a lightweight, small, and strong push/pull connector that provides the reliability and strength necessary for use in harsh environments.

The SC39 connector has easy-to-use mating and unmating forces, with a standard version that requires an insertion/extraction force of 5 to 10 kilos and a low-force version that requires less than 5 kilos of force. Additionally, a lanyard version is available for added security in high-vibration environments.

This connector is ideal for use in battlefield communication, C4ISR, grounded vehicles, military avionics, navy, and missile applications. It is designed to withstand extreme temperature ranges, high shock and vibration, and exposure to moisture and chemicals. This makes the SC39 connector an ideal choice for applications where reliability and durability are critical.

Amphenol Socapex is a trusted provider of high-quality connectors that deliver superior performance and reliability. The SC39 connector is just one example of the company's commitment to innovation and quality in the development of high-performance connectors for demanding applications. With its ease of use and reliable performance, the SC39 connector is a versatile solution that can be used in a variety of applications.