MIL-C-38999

Technical Characteristics

• Thread Direction

  right-hand

• Body Style

  3g straight shape, external coupling

• Overall Length

  1.290 inches maximum

• Overall Height

  1.688 inches minimum and 1.708 inches maximum

• 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 thermal shock resistant and vibration resistant

• Unthreaded Mounting Hole Diameter

  0.142 inches minimum and 0.157 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.375 inches nominal

• Mating End Quantity

  1

• Contact Removability

  removable single mating end single contact grouping

• Insert Position In Deg

  95.0 and 132.0 and 232.0 and 260.0 and 334.0

• Shell Type

  solid

• Thread Quantity Per Inch

  18

• Nominal Thread Size

  1.312 inches

• Terminal Location

  back single mating end single contact grouping

• Contact Material

  copper alloy single mating end single contact grouping

• Terminal Type

  crimp single mating end single contact grouping

• Shell Surface Treatment

  nickel

• Shell Surface Treatment Document And Classification

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

• Included Contact Type

  round pin single mating end single contact grouping

• Precious Material And Weight

  0.021 gold grains, troy

• Precious Material

  gold

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Thread Class

  2a

• Overall Width

  1.688 inches minimum and 1.708 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.375 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.785 inches minimum and 0.790 inches maximum

• Threaded Device Type

  back shell

• Contact Position Arrangement Style

  axba 23-21 single mating end

• Polarization Method

  keyway or multiple keyway

• Connector Locking Method

  bayonet pin

• Nominal Thread Length

  0.219 inches

• Operating Temp Rating

  -65.0 deg celsius minimum and 200.0 deg celsius maximum

• Features Provided

  scoopproof design

• Contact Surface Treatment

  gold single mating end single contact grouping

• Insert Material

  plastic epoxy single mating end

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec single treatment response single mating end single contact grouping

• Shell Material

  aluminum alloy

• Included Contact Quantity

  21 single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold

• Specification/Standard Data

  96906-ms27656 government standard