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Connectronics' line of HY-KON high voltage miniature connectors are individual insertable/removable connector replacements for size 12 pin and socket contacts used in MIL-C-38999, series I, III and IV connectors, that utilize a rear release contact retention cavity. When assembled into a 12 gauge contact cavity within the designated L.V. connector it is then capable of carrying DC voltages of up to 13.5 KV for airborne applications up to 70,000 feet altitude and over a temperature range of -55°C to 125°C

  • Corona Free Interface
  • Operating Voltage: 13.5 KVDC
  • Temperature Range: -55°C to +125°C
  • Sea level to 70000 ft. Operation
  • Shock and Vibration Proof Operation
  • Field or Factory Assembled into No. 12 gauge contact positions for mil-C-38999 series I, III, IV connectors
Unit of Measure


N/A Black


N/A 13.5 KVDC

Max. Current

N/A 4.5 Amp

Material- Socket Contacts

N/A Beryllium copper per QQ-C-530, Gold plated per MIL-G-45204

Material - Plug and Receptacle Body

N/A Thermoplastic, color black

Material - Molded Strain Relief and interfacial Seal

N/A Silicone Rubber per ZZ-R-765

Wires (Optional)

N/A No. 22 AWG (19/34) SPC, FEP insulated wire No. 24 AWG (19/36) SPC, FEP insulated wire No. 24 AWG (19/36) SPC, Silicone coated FEP insulated wire


N/A Sea level to 70000 ft.

Environmental Temperature (°C)

N/A -55 to +125


-XX in part number will be replaced by a dash number corresponding to length of wire

Hy-kon assemblies may also be ordered as completely assembled cable assemblies utilizing 38999 connectors to meet your specifications.

Size 22 contacts within the terminated connectors will accommodate #22 AWG Teflon or #24 AWG Teflon or silicone coated Teflon insulated wire.

For installation/removal procedure, request cep-159 from Connectronics Corp.

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