MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Overall Length

  1.138 inches maximum

• Overall Width

  1.438 inches nominal

• Unthreaded Mounting Hole Diameter

  0.147 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.602 inches nominal

• Threaded Device Type

  back shell

• Contact Position Arrangement Style

  19-30

• Contact Removability

  removable

• Connector Locking Method

  bayonet pin

• Thread Quantity Per Inch

  18

• Nominal Thread Size

  1.062 inches

• Terminal Location

  back

• Contact Material

  copper alloy

• Terminal Type

  solder well

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium

• Included Contact Quantity

  29

• Precious Material And Location

  contact surfaces gold

• Precious Material And Weight

  0.030 gold grains,troy

• Thread Direction

  right-hand

• Body Style

  straight shape,external coupling

• Overall Height

  1.438 inches nominal

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.156 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.156 inches nominal

• Mating End Quantity

  1

• Contact Maximum Current Rating In Amps

  22.0

• Contact Maximum Current Rating In Amps

  7.5

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  0.0

• Shell Type

  solid

• Nominal Thread Length

  0.219 inches

• Contact Surface Treatment

  gold

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Included Contact Quantity

  1

• Included Contact Type

  round pin

• Precious Material

  gold

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27466 government standard