MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Body Style

  1g straight shape, external coupling

• Overall Length

  1.039 inches nominal

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.062 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.820 inches nominal

• Threaded Device Type

  back shell

• Polarization Method

  keyway or multiple keyway

• Contact Surface Treatment

  gold single mating end single contact grouping

• Insert Material

  plastic epoxy single mating end

• Terminal Type

  crimp single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold

• Precious Material And Weight

  0.026 gold grains, troy

• Precious Material

  gold

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27505 government standard

• Thread Direction

  right-hand

• Overall Height

  1.312 inches nominal

• Overall Width

  1.312 inches nominal

• Environmental Protection

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

• Unthreaded Mounting Hole Diameter

  0.128 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.062 inches nominal

• Mating End Quantity

  1

• Contact Position Arrangement Style

  bcas 17-26 single mating end

• Contact Removability

  removable single mating end single contact grouping

• Insert Position In Deg

  0.0 and 18.0 and 30.0 and 330.0 and 342.0

• Shell Type

  solid

• Connector Locking Method

  bayonet pin

• Nominal Thread Size

  0.938 inches

• Terminal Location

  back single mating end single contact grouping

• Contact Material

  copper alloy single mating end single contact grouping

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium

• Included Contact Quantity

  26 single mating end single contact grouping

• Included Contact Type

  round socket single mating end single contact grouping