MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Overall Length

  0.625 inches maximum

• Overall Diameter

  1.156 inches maximum

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Threaded Device Type

  back shell

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  0.0

• Nominal Thread Length

  0.219 inches

• Thread Quantity Per Inch

  20

• Terminal Location

  back

• Contact Material

  copper alloy

• Shell Surface Treatment

  cadmium

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Included Contact Type

  round pin

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Precious Material And Weight

  0.037 gold grains,troy and 0.037 silver grains,troy

• Mating End Quantity

  1

• Contact Removability

  removable

• Shell Type

  solid

• Connector Locking Method

  bayonet latch

• Nominal Thread Size

  0.812 inches

• Contact Surface Treatment

  gold and silver

• Terminal Type

  crimp

• Shell Material

  aluminum alloy

• Included Contact Quantity

  37

• Precious Material

  gold and silver

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27336 government standard