MIL-C-38999

Technical Characteristics

• Thread Direction

  right-hand and right-hand

• Body Style

  10g straight shape external coupling

• Overall Length

  1.243 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.915 inches nominal

• Mounting Facility Thickness

  0.062 inches minimum and 0.125 inches maximum

• Mating End Quantity

  1

• Contact Removability

  removable single mating end single contact grouping

• Insert Position In Deg

  345.0

• Shell Type

  solid

• Nominal Thread Size

  1.312 inches and 1.625 inches

• Terminal Location

  back single mating end single contact grouping

• Contact Material

  copper alloy single mating end single contact grouping

• Contact Surface Treatment

  gold single mating end single contact grouping and silver

• Terminal Type

  crimp single mating end single contact grouping

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  nickel

• Included Contact Quantity

  100 single mating end single contact grouping

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef and unef

• Specification/Standard Data

  96906-ms27468 government standard

• Connector Locking Method

  bayonet pin

• Nominal Thread Length

  0.219 inches

• Thread Quantity Per Inch

  18 and 18

• Shell Surface Treatment Document And Classification

  mil-c-26074 mil spec single treatment response

• Bushing Accommodation Hole Shape

  round w/flat

• Included Contact Type

  round pin single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Precious Material And Weight

  0.100 gold grains, troy and 0.100 silver grains, troy

• Precious Material

  gold and silver

• Thread Class

  2a and 2a

• Overall Diameter

  2.188 inches nominal

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Threaded Device Type

  back shell and mounting bushing

• Contact Position Arrangement Style

  efal 23-35 single mating end

• Polarization Method

  keyway or multiple keyway