MIL-C-38999

Technical Characteristics

• Center To Center Distance Between Mounting Facilities Parallel To Height

  1.500 inches nominal

• Overall Width

  1.812 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.785 inches minimum and 0.790 inches maximum

• Mating End Quantity

  1

• Nominal Thread Size

  1.438 inches

• Unthreaded Mounting Hole Diameter

  0.142 inches minimum and 0.157 inches maximum

• Contact Position Arrangement Style

  24-35 single mating end

• Nominal Thread Length

  0.219 inches

• Overall Length

  1.285 inches minimum and 1.290 inches maximum

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  16.0

• Thread Direction

  right-hand

• Connector Locking Method

  bayonet pin

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Shell Material

  aluminum alloy

• Specification/Standard Data

  96906-ms27656 government standard

• Shell Surface Treatment

  cadmium

• Environmental Protection

  salt water resistant and moisture proof and vibration proof

• Body Style

  straight shape, external coupling

• Overall Height

  1.812 inches nominal

• Thread Series Designator

  unef

• Missing Contact Type And Quantity (Non-Core)

  err-070

• Shell Type

  solid

• Special Features

  insert configuration 25-35

• Threaded Device Type

  back shell

• Thread Class

  2a

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.500 inches nominal

• Thread Quantity Per Inch

  18

• Test Data Document

  81349-mil-c-38999 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• ~1

  data on certain environmental and performanc