MIL-C-38999/20D

Technical Characteristics

• 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

• Thread Direction

  right-hand

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  31.75 millimeters nominal

• Connector Locking Method

  externally threaded shell

• Overall Width

  39.4 millimeters minimum and 40.0 millimeters maximum

• Precious Material And Weight

  0.011 gold grains, troy

• Contact Surface Treatment Document And Classification

  mil-g-45204 mil spec single treatment response single mating end single contact grouping

• Thread Tolerance Class

  6g external

• Body Style

  straight shape, external coupling

• Contact Removability

  removable single mating end single contact grouping

• Contact Position Arrangement Style

  21-11 single mating end

• Precious Material And Location

  contact surfaces gold

• Included Contact Type

  round socket single mating end single contact grouping

• Terminal Location

  back single mating end single contact grouping

• Shell Type

  solid

• Mounting Slot Width

  3.05 millimeters minimum and 3.45 millimeters maximum

• Contact Surface Treatment

  gold single mating end single contact grouping

• Thread Class

  2a

• Distance From Mounting Shoulder To Front Face

  18.7 millimeters minimum and 20.1 millimeters maximum

• Overall Height

  39.4 millimeters minimum and 40.0 millimeters maximum

• ~1

  data on certain environmental and performanc

• Polarization Method

  keyway or multiple keyway

• Contact Material

  copper alloy single mating end single contact grouping

• Insert Material

  plastic epoxy single mating end

• Thread Quantity Per Inch

  10

• Nominal Thread Size

  31.0 millimeters and 1.375 inches

• Thread Pitch In Millimeters

  1.00

• Shell Material

  steel corrosion resisting

• Environmental Protection

  vibration proof and thermal shock resistant and shock resistant and oil resistant and humidity resistant and fungus resistant and fuel resistant and dust resistant and corrosion resistant and salt water resistant and moisture proof and vibration resistant

• Overall Length

  31.5 millimeters maximum

• Terminal Type

  crimp single mating end single contact grouping

• Mounting Slot Length

  4.73 millimeters minimum and 5.13 millimeters maximum

• Threaded Device Type

  back shell and coupling facility

• Shell Surface Treatment

  nickel

• Insert Position In Deg

  0.0 and 67.0 and 218.0 and 164.0 and 280.0

• Mating End Quantity

  1

• Thread Series Designator

  iso m and special acme

• Precious Material

  gold

• Included Contact Quantity

  11 single mating end single contact grouping

• Features Provided

  scoopproof design

• Center To Center Distance Between Mounting Facilities Parallel To Height

  31.75 millimeters nominal

• Specification/Standard Data

  81349-mil-c-38999/20 government specification