X8947-4

Technical Characteristics

• Thread Series Designator

  un

• Unthreaded Mounting Hole Diameter

  0.343 inches nominal

• Thread Quantity Per Inch

  8

• Nominal Thread Size

  3.750 inches

• Threaded Device Type

  coupling facility

• Contact Removability

  nonremovable single mating end all contact groupings

• Contact Material

  copper alloy single mating end all contact groupings

• Contact Material Document And Classification

  qq-b-626 comp 22 fed spec single material response single mating end all contact groupings

• Included Contact Quantity

  1 single mating end 2nd contact grouping

• Precious Material

  silver

• Mating End Quantity

  1

• Contact Surface Treatment Document And Classification

  qq-s-365 ty 3,grade a fed spec single treatment response single mating end all contact groupings

• Connector Locking Method

  internally threaded shell

• Overall Width

  4.500 inches nominal

• Thread Class

  2b

• Included Contact Quantity

  52 single mating end 1st contact grouping

• Contact Surface Treatment

  silver single mating end all contact groupings

• Overall Height

  4.500 inches nominal

• Insert Material Document And Classification

  mil-r-003065 ty s,cl sc620 mil spec single material response single mating end

• Polarization Method

  contact

• Thread Direction

  right-hand

• Terminal Location

  back single mating end all contact groupings

• Center To Center Distance Between Mounting Facilities Parallel To Height

  3.500 inches nominal

• Precious Material And Location

  contact surfaces silver

• Precious Material And Weight

  0.054 silver grains, troy

• Body Style

  straight shape, external coupling

• Environmental Protection

  watertight

• Shell Material Document And Classification

  qq-n-288 comp a fed spec single material response

• Insert Material

  rubber chloroprene class cr single mating end

• Included Contact Type

  round socket single mating end all contact groupings

• Shell Material

  nickel alloy

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  3.500 inches nominal

• Terminal Type

  solder well single mating end all contact groupings

• Shell Type

  solid