MIL-C-38999

Technical Characteristics

• Thread Direction

  right-hand

• Thread Class

  2a

• Overall Height

  1.792 inches minimum and 1.832 inches maximum

• Unthreaded Mounting Hole Diameter

  0.142 inches minimum and 0.157 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.500 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.500 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.597 inches minimum and 0.602 inches maximum

• Mating End Quantity

  1

• Contact Position Arrangement Style

  ckaj 25-4 single mating end

• Polarization Method

  keyway or multiple keyway

• Connector Locking Method

  bayonet pin

• Operating Temp Rating

  -65.0 deg celsius minimum and 200.0 deg celsius maximum

• Thread Quantity Per Inch

  18

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec single treatment response single mating end all contact groupings

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  nickel

• Included Contact Quantity

  48 single mating end 2nd contact grouping

• Included Contact Type

  round socket single mating end all contact groupings

• Precious Material And Weight

  0.056 gold grains, troy

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27466 government standard

• Precious Material

  gold

• Precious Material And Location

  contact surfaces gold

• Included Contact Quantity

  8 single mating end 1st contact grouping

• Shell Surface Treatment Document And Classification

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

• Terminal Type

  crimp single mating end all contact groupings

• Insert Material

  plastic epoxy single mating end

• Contact Surface Treatment

  gold single mating end all contact groupings

• Contact Material

  copper alloy single mating end all contact groupings

• Terminal Location

  back single mating end all contact groupings

• Nominal Thread Size

  1.438 inches

• Nominal Thread Length

  0.219 inches

• Shell Type

  solid

• Insert Position In Deg

  15.0 and 95.0 and 132.0 and 232.0 and 260.0

• Contact Removability

  removable single mating end all contact groupings

• Threaded Device Type

  back shell

• Environmental Protection

  moisture proof and salt water resistant and vibration proof and corrosion resistant and dust resistant and fuel resistant and fungus resistant and humidity resistant and oil resistant and shock resistant and vibration resistant and thermal shock resistant

• Overall Width

  1.792 inches minimum and 1.832 inches maximum

• Overall Length

  1.263 inches maximum

• Body Style

  3g straight shape, external coupling