MIL-C-38999

Technical Characteristics

• Terminal Type

  crimp single mating end all contact groupings

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Overall Diameter

  2.390 inches nominal

• Nominal Thread Length

  0.219 inches

• Bushing Accommodation Hole Shape

  round

• Nominal Thread Size

  1.438 inches and 1.875 inches

• Included Contact Quantity

  8 single mating end 1st contact grouping

• Thread Series Designator

  unef and un

• Contact Surface Treatment

  gold single mating end all contact groupings and silver single mating end all contact groupings

• Polarization Method

  keyway or multiple keyway

• Thread Direction

  right-hand

• Threaded Device Type

  back shell and mounting bushing

• Precious Material And Weight

  0.056 gold grains, troy and 0.056 silver grains, troy

• Connector Locking Method

  bayonet pin

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Terminal Location

  back single mating end all contact groupings

• Shell Material

  aluminum alloy

• Specification/Standard Data

  96906-ms27474 government standard

• Shell Surface Treatment

  cadmium

• Contact Removability

  removable single mating end all contact groupings

• Environmental Protection

  salt water resistant and moisture proof and vibration proof

• Body Style

  straight shape, external coupling

• Overall Length

  0.844 inches maximum

• Mounting Facility Thickness

  0.062 inches minimum and 0.109 inches maximum

• Insert Position In Deg

  0.0

• Included Contact Type

  round socket single mating end all contact groupings

• Distance From Mounting Shoulder To Front Face

  0.464 inches nominal

• Shell Type

  solid

• Precious Material

  gold and silver

• Thread Class

  2a

• Thread Quantity Per Inch

  18 and 16

• ~1

  data on certain environmental and performanc

• Included Contact Quantity

  48 single mating end 2nd contact grouping

• Contact Material

  copper alloy single mating end all contact groupings

• Mating End Quantity

  1

• Test Data Document

  81349-mil-c-38999 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type