NSN: 5935-01-478-2729

Technical Characteristics

• Test Data Document

  81349-d38999 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 data

• Mating End Quantity

  1

• Thread Class

  2b

• ~1

  on certain environmental and performance req

• Threaded Device Type

  back shell and coupling facility

• Environmental Protection

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

• Overall Diameter

  48.0 millimeters maximum

• Polarization Method

  key, multiple key groove

• Contact Material

  copper alloy single mating end all contact groupings

• Contact Surface Treatment

  gold single mating end all contact groupings

• Thread Series Designator

  iso m and special acme

• Precious Material

  gold

• Nominal Thread Size

  37.0 millimeters and 1.625 inches

• Connector Locking Method

  internally threaded coupling ring

• Specification/Standard Data

  81349-mil-c-38999 government specification

• Contact Position Arrangement Style

  25-24 single mating end

• Insert Material

  plastic epoxy single mating end

• End Item Identification

  b-2 bomber; aircraft cen sec

• Thread Direction

  right-hand and right-hand

• Insert Position In Deg

  26.0 and 128.0 and 100.0 and 0.0 and 228.0

• Included Contact Quantity

  12 single mating end 2nd contact grouping

• Terminal Location

  back single mating end all contact groupings

• Shell Material

  aluminum alloy

• Shell Surface Treatment

  cadmium

• Contact Removability

  removable single mating end all contact groupings

• Thread Tolerance Class

  6g external

• Body Style

  straight shape, internal coupling

• Special Features

  shell to shell conductivity shall be one milliohm maximum

• Included Contact Type

  round socket single mating end all contact groupings

• Precious Material And Location

  contact surfaces gold

• Overall Length

  33.16 millimeters maximum

• Shell Type

  solid

• Terminal Type

  crimp single mating end all contact groupings