MILC3989

Technical Characteristics

• Thread Direction

  right-hand

• Overall Diameter

  1.240 inches minimum and 1.299 inches maximum

• Environmental Protection

  salt water resistant

• Cable Entrance Diameter

  0.343 inches nominal

• Mating End Quantity

  1

• Contact Removability

  nonremovable

• Contact Maximum Frequency Rating

  10000.0 megahertz

• Shell Type

  solid

• Insert Material

  plastic polytetrafluoroethylene

• Shell Surface Treatment

  silver

• Included Contact Quantity

  1

• Bushing Accommodation Hole Shape

  round

• Included Contact Type

  round socket

• Precious Material And Location

  contact surface silver

• Test Data Document

  81349-mil-c-3989 specification

• Thread Series Designator

  un

• Thread Class

  2a

• Overall Length

  1.406 inches nominal

• Distance From Mounting Shoulder To Front Face

  0.750 inches nominal

• Threaded Device Type

  mounting bushing

• Connector Locking Method

  bayonet latch

• Connector Cable Strain Relief Method

  compression nut

• Radio Frequency Type Contact Characteristic Impedance In Ohms

  50.0

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.750 inches

• Terminal Location

  back

• Contact Surface Treatment

  silver

• Contact Surface Treatment Document And Classification

  qq-s-365 fed spec single treatment response

• Shell Surface Treatment Document And Classification

  qq-s-365 fed spec single treatment response

• Insert Material Document And Classification

  mil-m-14077,class 1 mil spec single material response

• Precious Material

  silver