DOD-C-38999/20

Technical Characteristics

• ~1

  data on certain environmental and performanc

• Contact Removability

  removable single mating end single contact grouping

• Body Style

  straight shape, external coupling

• Thread Tolerance Class

  6g external

• Shell Material

  aluminum alloy

• Overall Width

  39.7 millimeters nominal

• Mounting Slot Length (Non-Core)

  4.93 millimeters nominal

• Connector Locking Method

  externally threaded shell

• Included Contact Quantity

  79 single mating end single contact grouping

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  31.75 millimeters nominal

• Thread Direction

  right-hand

• Thread Pitch In Millimeters

  1.00

• Nominal Thread Size

  31.0 millimeters and 1.375 inches

• Contact Surface Treatment

  gold single mating end single contact grouping and silver single mating end single contact grouping

• Precious Material And Weight

  0.079 gold grains, troy and 0.079 silver grains, troy

• Shell Surface Treatment Document And Classification

  mil-c-26074 mil spec single treatment response

• Thread Quantity Per Inch

  10

• 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

• Contact Material

  copper alloy single mating end single contact grouping

• Polarization Method

  keyway or multiple keyway

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Center To Center Distance Between Mounting Facilities Parallel To Height

  31.75 millimeters nominal

• Contact Position Arrangement Style

  21-35 single mating end

• Distance From Mounting Shoulder To Front Face

  20.1 millimeters maximum

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Mating End Quantity

  1

• Shell Surface Treatment

  nickel

• Mounting Slot Width (Non-Core)

  3.25 millimeters nominal

• Threaded Device Type

  back shell and coupling facility

• Terminal Type

  crimp single mating end single contact grouping

• Overall Length

  31.5 millimeters maximum

• Overall Height

  39.7 millimeters nominal

• Thread Class

  2a

• Precious Material

  gold and silver

• Specification/Standard Data

  81349-dod-c-38999/20 government specification

• Shell Type

  solid

• Terminal Location

  back single mating end single contact grouping

• Thread Series Designator

  iso m

• Included Contact Type

  round socket single mating end single contact grouping

• Insert Position In Deg

  0.0