MIL-C-38999

Technical Characteristics

• Terminal Type

  crimp single mating end single contact grouping

• Shell Surface Treatment

  cadmium

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Included Contact Quantity

  26 single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Precious Material And Weight

  0.026 gold grains, troy and 0.026 silver grains, troy

• Overall Width

  1.312 inches nominal

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Unthreaded Mounting Hole Diameter

  0.123 inches minimum and 0.138 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.062 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.815 inches minimum and 0.820 inches maximum

• Threaded Device Type

  back shell

• Mating End Quantity

  1

• Contact Removability

  removable single mating end single contact grouping

• 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 single mating end single contact grouping and silver

• Thread Class

  2a

• Thread Direction

  right-hand

• Body Style

  3g straight shape, external coupling

• Overall Length

  1.289 inches maximum

• Overall Height

  1.312 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.062 inches nominal

• Contact Position Arrangement Style

  bcas 17-26 single mating end

• Connector Locking Method

  bayonet pin

• Thread Quantity Per Inch

  18

• Nominal Thread Size

  1.062 inches

• Terminal Location

  back single mating end single contact grouping

• Contact Material

  copper alloy single mating end single contact grouping

• Shell Material

  aluminum alloy

• Included Contact Type

  round socket single mating end single contact grouping

• Precious Material

  gold and silver

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27515 government standard