MIL-C-38999

Technical Characteristics

• Thread Class

  2a and a2a

• Overall Length

  1.243 inches nominal

• Mounting Facility Thickness

  0.062 inches minimum and 0.125 inches maximum

• Threaded Device Type

  back shell and mounting bushing

• Contact Removability

  removable

• End Item Identification

  b-52g acft

• Nominal Thread Length

  0.219 inches

• Shell Surface Treatment

  cadmium

• Included Contact Type

  round socket

• Precious Material And Location

  contact surfaces gold

• Thread Series Designator

  unef and unef

• Specification/Standard Data

  96906-ms27468 government standard

• Thread Direction

  right-hand and right-hand

• Overall Diameter

  1.734 inches minimum and 1.766 inches maximum

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Distance From Mounting Shoulder To Front Face

  0.910 inches minimum and 0.920 inches maximum

• Mating End Quantity

  1

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  30.0

• Shell Type

  solid

• Connector Locking Method

  bayonet pin

• Thread Quantity Per Inch

  18 and a20

• Nominal Thread Size

  1.250 inches and 0.938 inches

• Terminal Location

  back

• Contact Material

  copper alloy

• Contact Surface Treatment

  gold

• Terminal Type

  crimp

• Shell Material

  aluminum alloy

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Included Contact Quantity

  8

• Bushing Accommodation Hole Shape

  round w/flat

• Precious Material And Weight

  0.008 gold grains,troy

• Precious Material

  gold

• Test Data Document

  81349-mil-c-38999 specification