DOD-C-38999/20

Technical Characteristics

• Mounting Slot Width (Non-Core)

  3.25 millimeters nominal

• Thread Tolerance Class

  6g external and 6h external

• Threaded Device Type

  back shell and coupling facility and hub

• Thread Series Designator

  iso m and special acme

• Distance From Mounting Shoulder To Front Face

  20.1 millimeters maximum

• Contact Position Arrangement Style

  21-35 single mating end

• Shell Material

  aluminum alloy or zinc

• Thread Quantity Per Inch

  32 and 10 and 18

• Shell Surface Treatment

  chromate and cadmium and zinc

• Overall Length

  33.66 millimeters maximum

• Insert Position In Deg

  342.0

• Shell Surface Treatment Document And Classification

  qq-p-416 ty ii,cl 3 fed spec single treatment response

• Thread Class

  2a and 2a and 2b

• Mating End Quantity

  12

• Nominal Thread Size

  31.0 millimeters and 1.375 inches

• Connector Locking Method

  externally threaded shell

• Polarization Method

  keyway or multiple keyway and key, multiple key groove

• Thread Pitch In Millimeters

  1.00 and 1.00

• ~1

  data on certain environmental and performanc

• Test Data Document

  81349-dod-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

• Mounting Slot Length (Non-Core)

  4.93 millimeters nominal

• Overall Width

  39.7 millimeters nominal

• Thread Direction

  right-hand and right-hand and right-hand

• Body Style

  straight shape, external coupling

• Center To Center Distance Between Mounting Facilities Parallel To Height

  29.36 millimeters minimum and 31.75 millimeters maximum

• Missing Contact Type And Quantity (Non-Core)

  err-070

• Shell Type

  solid

• Specification/Standard Data

  81349-dod-c-38999/20 government specification

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  29.36 millimeters minimum and 31.75 millimeters maximum

• Overall Height

  39.7 millimeters nominal