38999 Series

TV-CTV - D38999 Series III

Tri-start thread connector, MIL-DTL-38999 series III qualified
Part Number :
38999 Series

TV-CTV - D38999 Series III

Tri-start thread connector, MIL-DTL-38999 series III qualified

Key features

  • 100% scoop proof design
  • 9 shell sizes from 09 to 25 
  • More than 80 contacts arrangements, from 1 to 180 contacts
  • Ruggedized product with an high resistance to shocks & vibrations
  • Several materials et platings available, with RoHS & REACH compliant versions


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

Product benefits :  

  • Several receptacles style : Square flange, Jam nut, In-line… 
  • Quick coupling, fully mated in a 360° turn of the coupling nut
  • Anti-decoupling device allowing high vibration performances
  • Many versions available : integrated backshell, Stand-off (double flange), reduced flange,…

Materials & Platings :

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

Contacts types & terminations 

  • More than 80 contacts arrangements
  • Contacts size 23 HD to 2/0
  • Signal, Power, High-speed versions (Coax, Twinax, Quadrax, Octomax...), and optical termini
  • Crimp & PC-Tails (gold & tinned versions)

Environmental Characteristics :  

  • Mating cycles: 500 mating cycles or 1500 cycles with composite connector and high durability contacts
  • Operating temperature: 65°C to +175°C or 200°C depending on material & plating
  • Salt spray hours: From 48 to 500 hours for aluminum & stainless steel, 1000hours for marine bronze & 2000 hours for composite
  • Sealing: IPX7 when mated and fully cabled    

Electrical characteristics   

  • Shell to shell conductivity from 1 to 10 mΩ depending on materials & platings
  • EMI/RFI protection: shell to shell bottoming, grounding fingers on the plug shell
  • Insulation resistance @Ambient : 5.103 mΩ
  • Contact rating from 3 to 250 Amps
  • Dielectric withstanding voltage    
2 documents

Catalog MIL-DTL-38999 & Derivates

Last update : 05/03/2024
Product change notifications (PCN)
3 notifications
#PCN 134154
TV-CTV - D38999 Series III

Protective Dust cap change for MIL-DTL-38999 Series III QPL and proprietary Size 11 connectors.

#PCN 131047
LJT - HE308 - 38999 Series I
TV-CTV - D38999 Series III

Amphenol Socapex stop making 38999 Series I and III Connector equipped with wrapped contacts. We advise you to order PC tails and/or crimp versions instead.

#PCN 130559
LJT - HE308 - 38999 Series I
JT - 38999 Series II
TV-CTV - D38999 Series III

Replacement of white ink marking with laser marking on some inserts’ interfacial seals for MIL-DTL-38999 Series I, II, III type and derivative connectors.

Request form to receive the detailed « Product Change Notification »

J'accepte les conditions générales
38999 reduced flange jam nut receptacle
I/O Connectors
38999 Series

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TV-CTV - D38999 Series III description

The TV-CTV D38999 Series III is a MIL-DTL-38999 series III qualified connector designed for use in harsh military and industrial environments. This series offers a wide range of contact arrangements and shell types, making it an ideal choice for applications that require maximum weight and space savings. 

The TV-CTV D38999 Series III connector is available in nine shell sizes, ranging from 9 to 25, and offers both metal and composite shells to suit different application requirements. The TV-CTV D38999 Series III connector is designed to withstand extreme conditions and is 100% scoop proof, ensuring maximum protection against damage caused by accidental contact. 

The interfacial seal around each contact ensures sealing and prevents electrolytic erosion, ensuring reliable performance even in the most challenging environments. This connector offers excellent EMI/RFI protection, with shell to shell bottoming and grounding fingers on the plug shell. Additionally, receptacles are intermountable with MIL-DTL-38999 series I standard, allowing for easy integration with existing systems. 

The TV-CTV D38999 Series III connector is available in a variety of shell materials, including composite, aluminum, marine bronze, and stainless steel, with finishes such as olive drab cadmium plating, nickel plating, and black zinc nickel plating. RoHS versions are also available. This connector is commonly used in battlefield communication, C4ISR, grounded vehicles, military avionics, and industrial applications. 

With more than 60 arrangements of contacts, including high-density versions and optical termini, the TV-CTV D38999 Series III connector offers a versatile and reliable solution for a wide range of applications.