MIL-C-38999

Technical Characteristics

• Included Contact Quantity

  55 single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold

• Included Contact Type

  round socket single mating end single contact grouping

• Thread Series Designator

  unef

• Terminal Location

  back single mating end single contact grouping

• Shell Type

  solid

• Contact Surface Treatment

  gold single mating end single contact grouping

• Threaded Device Type

  back shell

• Thread Class

  2a

• Thread Quantity Per Inch

  18

• Terminal Type

  crimp single mating end single contact grouping

• ~1

  data on certain environmental and performanc

• Nominal Thread Size

  1.312 inches

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.375 inches maximum

• Thread Direction

  right-hand

• Connector Locking Method

  bayonet pin

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Shell Material

  aluminum alloy

• Specification/Standard Data

  96906-ms27656 government standard

• Shell Surface Treatment

  cadmium

• Body Style

  straight shape, external coupling

• Contact Removability

  removable single mating end single contact grouping

• Precious Material And Weight

  0.055 gold grains, troy

• Insert Position In Deg

  0.0

• Overall Height

  1.668 inches minimum and 1.708 inches maximum

• Overall Width

  1.668 inches minimum and 1.708 inches maximum

• Overall Length

  1.290 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.785 inches minimum and 0.790 inches maximum

• Mating End Quantity

  1

• Contact Position Arrangement Style

  23-55 single mating end

• Precious Material

  gold

• Unthreaded Mounting Hole Diameter

  0.142 inches minimum and 0.157 inches maximum

• Nominal Thread Length

  0.219 inches

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.375 inches maximum

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Polarization Method

  keyway or multiple keyway

• Contact Material

  copper alloy single mating end single contact grouping

• 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