MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Unthreaded Mounting Hole Diameter

  0.123 inches minimum and

• Unthreaded Mounting Hole Diameter

  0.138 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.969 inches nominal

• 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

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  nickel

• Shell Surface Treatment Document And Classification

  mil-c-26074 mil spec single treatment response

• Non-Definitive Government Spec/Std Reference

  mil-c-38999

• Thread Series Designator

  unef

• Thread Direction

  right-hand

• Body Style

  3g straight shape, external coupling

• Overall Length

  1.289 inches maximum

• Overall Height

  1.199 inches minimum and

• Overall Height

  1.239 inches maximum

• Overall Width

  1.199 inches minimum and

• Overall Width

  1.239 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  0.969 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.815 inches minimum and

• Distance From Mounting Shoulder To Front Face

  0.820 inches maximum

• Threaded Device Type

  back shell

• Shell Type

  solid

• Nominal Thread Length

  0.219 inches

• Definitive Government Spec/Std Reference

  ms27656t15f97aa

• Manufacturers Code

  81349

• Manufacturers Code

  96906

• Test Data Document

  81349-mil-c-38999 specification

• Specification/Standard Data

  96906-ms27656 government standard