MIL-C-38999

Technical Characteristics

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Distance From Mounting Shoulder To Front Face

  0.815 inches minimum and 0.820 inches maximum

• Nominal Thread Length

  0.219 inches

• Shell Surface Treatment Document And Classification

  mil-c-26074,cl 3 or 4,grade b mil spec single treatment response

• Insert Position In Deg

  342.0

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Contact Material

  copper alloy single mating end single contact grouping

• Contact Surface Treatment

  gold single mating end single contact grouping and silver single mating end single contact grouping

• Thread Quantity Per Inch

  20

• Thread Direction

  right-hand

• Connector Locking Method

  bayonet pin

• Shell Material

  aluminum alloy

• Unthreaded Mounting Hole Diameter

  0.123 inches minimum and 0.138 inches maximum

• Body Style

  straight shape, external coupling

• Contact Removability

  removable single mating end single contact grouping

• Included Contact Quantity

  55 single mating end single contact grouping

• Included Contact Type

  round socket single mating end single contact grouping

• Thread Series Designator

  unef

• Contact Position Arrangement Style

  17-55 single mating end

• Overall Width

  1.312 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.062 inches nominal

• Special Features

  contact arrangement number 17-35

• Shell Surface Treatment

  nickel

• Overall Length

  1.289 inches maximum

• Polarization Method

  key, multiple key groove

• Overall Height

  1.312 inches nominal

• Mating End Quantity

  1

• ~1

  data on certain environmental and performanc

• Terminal Location

  back single mating end single contact grouping

• Shell Type

  solid

• Threaded Device Type

  back shell

• 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

• Precious Material

  gold and silver

• Thread Class

  2a

• Precious Material And Weight

  0.055 gold grains, troy and 0.055 silver grains, troy

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.062 inches nominal

• Specification/Standard Data

  81349-ms27656 government standard

• Terminal Type

  crimp single mating end single contact grouping

• Nominal Thread Size

  0.938 inches