MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Overall Length

  1.289 inches maximum

• Unthreaded Mounting Hole Diameter

  0.123 inches minimum and 0.138 inches maximum

• Threaded Device Type

  back shell

• Mating End Quantity

  1

• Contact Removability

  removable

• Nominal Thread Length

  0.219 inches

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.812 inches

• Contact Material

  copper alloy

• Shell Material

  aluminum alloy

• Shell Surface Treatment Document And Classification

  mil-c-26074,class 3 or 4,grade b mil spec single treatment response

• Included Contact Type

  round socket

• Precious Material And Weight

  0.025 gold grains,troy and 0.025 silver grains,troy

• Precious Material

  gold and silver

• Specification/Standard Data

  96906-ms27656 government standard

• Thread Direction

  right-hand

• Overall Height

  1.219 inches nominal

• Overall Width

  1.219 inches nominal

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.485 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.485 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.815 inches minimum and 0.820 inches maximum

• Polarization Method

  key,multiple key groove

• Insert Position In Deg

  339.0

• Shell Type

  solid

• Connector Locking Method

  bayonet pin

• Terminal Location

  back

• Contact Surface Treatment

  gold and silver

• Terminal Type

  crimp

• Shell Surface Treatment

  nickel

• Included Contact Quantity

  5

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef