MIL-C-38999/20

Technical Characteristics

• Precious Material And Weight

  0.041 gold grains, troy

• Mating End Quantity

  1

• Thread Series Designator

  iso m and special acme

• Precious Material

  gold

• Distance From Mounting Shoulder To Front Face

  20.1 millimeters maximum

• Overall Length

  33.66 millimeters maximum

• Contact Position Arrangement Style

  21-41 single mating end

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Specification/Standard Data

  81349-mil-c-38999/20 government specification

• Polarization Method

  keyway or multiple keyway

• Contact Material

  copper alloy single mating end single contact grouping

• Thread Quantity Per Inch

  10

• Nominal Thread Size

  31.0 millimeters and 1.375 inches

• Thread Pitch In Millimeters

  1.00

• Connector Locking Method

  externally threaded shell

• Overall Width

  39.4 millimeters minimum and 40.0 millimeters maximum

• Thread Direction

  right-hand and right-hand

• Shell Surface Treatment Document And Classification

  qq-p-416 fed spec single treatment response

• Shell Material

  aluminum alloy

• Included Contact Quantity

  41 single mating end single contact grouping

• Shell Surface Treatment

  cadmium

• 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

• Insert Position In Deg

  0.0

• Center To Center Distance Between Mounting Facilities Parallel To Height

  29.36 millimeters minimum and 31.75 millimeters maximum

• Precious Material And Location

  contact surfaces gold

• Terminal Location

  back single mating end single contact grouping

• Shell Type

  solid

• Mounting Slot Width

  3.05 millimeters minimum and 3.45 millimeters maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  29.36 millimeters minimum and 31.75 millimeters maximum

• Contact Surface Treatment

  gold single mating end single contact grouping

• Thread Class

  2a

• Overall Height

  39.4 millimeters minimum and 40.0 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

• Included Contact Type

  round pin single mating end single contact grouping

• 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