387TV Series

Double-start thread miniature connector, Derived from MIL-DTL-38999 series III 

Key features
  • The smallest connector derived from MIL-DTL-38999 series III*
  • Single way grounded version & multi-pin inserts arrangements
  • Datas, high-speed contacts and Fiber optic
  • Ruggedized product with 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 : Oval flange, Jam nut… 
  • Shells always with an integrated backshell for crimp versions
  • Multipin versions uses sames contacts and inserts than size 9 38999 series III 
  • Many versions available : Integrated backshell, Stand-off (double flange), reduced flange,…

Materials & Platings :

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

Contacts types & terminations :

  • 1 Grounded version & 4 Multi-pin arrangements
  • Contacts size 23 HD to 8
  • 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
  • Shell to shell bottoming, grounding fingers on the plug shell
  • Insulation resistance @Ambient : 5.103 mΩ
  • Contact rating from 3 to 23 Amps

D38999 Size 7 is ideal for applications for which space, weight and speed are critical


Brochure 387TV - Size 7 connector

Last update : Mon, 01/18/2021 - 10:11

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Yes, we offer two types of protective caps for the 387TV connectors:

  • Rubber caps
  • Metallic caps

Consult our 387TV datasheet to obtain more information about Protective caps for 387TV connectors.


The « IP » define the resistance of the product against solids (first number) and liquids (second number). 387TV is rated IP68 when mated. To ensure an IP68 waterproofness on the Jam nut receptacle and mated plug, a heat shrink boot and adhesive must be installed between the plug and the cable. It will allow the connector to withstand 48 hours under 2 meters of water.


To tighten the panel nut effectively, simply torque it once. Then tighten it again 24 hours afterwards.

If necessary, install a lock wire on the nut and attach it to the panel to keep the nut tight.


We offer 387TV connectors with fiber optic optical termini in different versions: Double Luxbeam Q8D already available, MT and TVOP Size 7 coming soon.


Yes, we offer numerous contacts regarding your cable type.

  • Coax : available for RG179 and PIC V75268 cable type.
  • Twinax : available for the M17/176-00002 (standardized cable), the Raychem 10612, the EPD44690 and the EPD44691 cable type.
  • Quadrax : NF24Q100 or equivalent.
  • Octomax : available for the Thermax MX10G-26FLX and the Gore RCN9047-026.

For any other cable types, please consult our Technical Support team



Publié #PCN Produit Commentaire
20/01/22 129424 TV-CTV - D38999 Series III, LJT/HE308 - D38999 Series I , JT - D38999 Series II, 387TV Series, PowerSafe, RNJ - Rack & Panel , RNJLP - Rack & Panel Low Profile, SC39, PT/451 Series, VG96912 - SJT

Marking change on Proprietary products type 38999 & 26482

Evolution de marquage sur nos produits propriétaires type 38999 et 26482 série I

Envoi des changements
13/11/20 128091 387TV Series

Changement de désignation pour les contacts Coax 75 Ohms à sertir et à piquer sur la gamme 387TV.
Change of designation for 75 Ohm Coax contacts crimp and PC Tail on 387TV range.

Envoi des changements