38999 Series

Enhanced sealing receptacles

Combines high sealing level with all 38999 & derivatives possibilities
38999 Series

Enhanced sealing receptacles

Combines high sealing level with all 38999 & derivatives possibilities

Key features

  • Initial performance close to hermetics - 1.10^-6 cm3/s under 1 bar of differential pressure
  • Available on most ranges : TV, LJT, SC39, RNJ, 387TV...
  • Designed for unpressurized area
  • Several materials et platings available, with RoHS & REACH compliant versions


  • Battlefield Communication C5ISR
  • Ground Vehicles
  • Military Avionics
  • Commercial Air 
  • Navy 

Technical information

Product benefits :

  • Aluminum compatible - Lightweight solution compared to stainless steel hermetics
  • High speed contacts compatible
  • Mates with standard plugs
  • Many versions available : Stand-off (double flange), Reduced flange,...

Materials & Platings :

  • Aluminum : Olive drab Cadmium, Black Zinc Nickel , Nickel, , Tin Zinc plated
  • Marine Bronze (unplated) 
  • Stainless Steel : Passivated , Nickel plated

Contacts types & terminations :

  • More than 80 contacts arrangements
  • Contacts size 23 HD to 8
  • Signal, Power, High-speed versions (Coax, Twinax, Quadrax, Octomax...)
  • Solder cups & PC-Tails (gold & tinned versions)

Environmental Characteristics :

  • 500 mating cycles
  • -55degC to +125degC
  • From 48 to 500 hours for aluminum & stainless steel, 1000hours for marine bronze
  • Initial performance - 1.10^-6 cm3/s under 1 bar of differential pressure

Electrical characteristics :

  • Shell to shell conductivity from 1 to 10 mO depending on materials & platings
  • Insulation resistance @Ambient : 5.103 mO
  • Contact rating from 3 to 40 Amps
1 documents

Catalog MIL-DTL-38999 & Derivates

Last update : 05/03/2024

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Enhanced sealing receptacles description

Amphenol Socapex's 38999 Receptacle with Enhanced Sealing is designed to withstand differential pressure with very low air leakage, making it ideal for military and harsh environment applications. These receptacles are intermateable with MIL-DTL-38999 Series III connectors and are available in nine shell sizes with solder or PCB pin contacts. Socket contacts are also available upon request.
The receptacles are suitable for use in a variety of applications, including battlefield communication, C4ISR, grounded vehicles, military avionics, navy, and missiles. The TV07 ETC receptacle are derived from the standard MIL-DTL-38999 Series III receptacles and use inserts to ensure an air leakage of less than 1.10-6cm3/s under 1 bar of differential pressure.
With its enhanced sealing capability, these receptacles provide reliable performance in harsh environments. This makes them an excellent choice for applications that require high levels of sealing and protection against environmental factors such as moisture, dust, and water. The 38999 Receptacle with Enhanced Sealing from Amphenol Socapex is a rugged, reliable, and cost-effective solution for your harsh environment connector needs.