MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Body Style

  3g straight shape, external coupling

• Overall Length

  1.289 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.969 inches nominal

• Threaded Device Type

  back shell

• Contact Removability

  removable single mating end all contact groupings

• Shell Type

  solid

• Nominal Thread Length

  0.219 inches

• Terminal Location

  back single mating end all contact groupings

• Contact Material

  copper alloy single mating end all contact groupings

• Contact Surface Treatment

  gold single mating end all contact groupings

• Terminal Type

  crimp single mating end all contact groupings

• Included Contact Quantity

  4 single mating end 1st contact grouping

• Included Contact Quantity

  8 single mating end 2nd contact grouping

• Cognizant Service

  usaf

• Precious Material

  gold

• Overall Height

  1.219 inches nominal

• Overall Width

  1.219 inches nominal

• Unthreaded Mounting Hole Diameter

  0.123 inches minimum and 0.138 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.969 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.815 inches minimum and 0.820 inches maximum

• Mating End Quantity

  1

• Contact Position Arrangement Style

  ancr 15-97 single mating end

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  339.0

• Connector Locking Method

  bayonet pin

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.812 inches

• 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

• Shell Surface Treatment Document And Classification

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

• Included Contact Type

  round pin single mating end all contact groupings

• Precious Material And Location

  contact surfaces gold

• Precious Material And Weight

  0.012 gold grains, troy

• Test Data Document

  81349-mil-c-38999 specification

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27656 government standard