MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Body Style

  7g straight shape threaded

• Distance From Mounting Shoulder To Front Face

  0.910 inches minimum and 0.920 inches maximum

• Polarization Method

  keyway or multiple keyway

• Shell Type

  solid

• Connector Locking Method

  bayonet pin

• Nominal Thread Size

  1.125 inches

• Terminal Location

  back single mating end single contact grouping

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium and chromate

• Included Contact Quantity

  1 single mating end 1st contact grouping

• Bushing Accommodation Hole Shape

  round w/flat

• Included Contact Type

  round pin single mating end all contact groupings

• Precious Material

  gold and silver

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  81349-mil-c-38999 government specification

• Thread Direction

  right-hand

• Overall Length

  1.243 inches nominal

• Overall Diameter

  1.609 inches minimum and 1.641 inches maximum

• Environmental Protection

  moisture proof and salt water resistant and vibration resistant

• Mounting Facility Thickness

  0.062 inches minimum and 0.125 inches maximum

• Threaded Device Type

  mounting bushing

• Mating End Quantity

  1

• Contact Position Arrangement Style

  arab 14-15 single mating end

• Contact Removability

  removable single mating end all contact groupings

• Insert Position In Deg

  0.0

• Contact Material

  copper alloy single mating end all contact groupings

• Contact Surface Treatment

  gold single mating end all contact groupings and silver

• Terminal Type

  crimp single mating end single contact grouping

• Included Contact Quantity

  14 single mating end 2nd contact grouping

• Special Features

  contact designation 15-15

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Precious Material And Weight

  0.015 gold grains, troy and 0.015 silver grains, troy