MIL-C-38999

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Overall Length

  1.289 inches maximum

• Overall Height

  1.199 inches minimum and 1.239 inches maximum

• Overall Width

  1.199 inches minimum and 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 0.820 inches maximum

• Threaded Device Type

  back shell

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  339.0

• Nominal Thread Length

  0.219 inches

• Shell Surface Treatment Document And Classification

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

• Missing Contact Type And Quantity

  18 round pin single mating end single contact grouping single accommodated contact type

• Test Data Document

  81349-mil-c-38999 specification

• Body Style

  3g straight shape, external coupling

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  0.969 inches nominal

• Mating End Quantity

  1

• Contact Position Arrangement Style

  aubc 15-18 single mating end

• Shell Type

  solid

• Connector Locking Method

  bayonet pin

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.812 inches

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  nickel

• Thread Series Designator

  unef

• Specification/Standard Data

  96906-ms27656 government standard