G643427-8

Technical Characteristics

• Thread Series Designator

  unef

• Thread Class

  2a

• Overall Height

  2.719 inches minimum and 2.781 inches maximum

• Unthreaded Mounting Hole Diameter

  0.171 inches minimum and 0.177 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Height

  2.183 inches minimum and 2.193 inches maximum

• Distance From Mounting Shoulder To Front Face

  0.875 inches minimum and 0.885 inches maximum

• Threaded Device Type

  coupling facility

• Mating End Quantity

  1

• Contact Position Arrangement Style

  dqad 40-56 single mating end

• Contact Removability

  nonremovable single mating end single contact grouping

• Contact Maximum Dc Voltage Rating In Volts

  700.0 single mating end single contact grouping

• Connector Locking Method

  externally threaded shell

• End Item Identification

  sonar set an/bqq-6

• Nominal Thread Length

  0.625 inches

• Thread Quantity Per Inch

  16

• Nominal Thread Size

  2.500 inches

• Terminal Location

  back single mating end single contact grouping

• Contact Surface Treatment Document And Classification

  mil-g-45204,ty 2,grade c,cl 1 mil spec 1st treatment response single mating end single contact grouping and mil-c-14550,cl 4 mil spec 2nd treatment response

• Contact Material Document And Classification

  qq-b-626 fed spec all material responses (use only when all material is controlled by the same document and classifications are identical) single mating end single contact grouping

• Shell Material Document And Classification

  qq-a-591 fed spec single material response

• Insert Material Document And Classification

  mil-std-417,grade sc715 mil std single material response single mating end

• Included Contact Quantity

  85 single mating end single contact grouping

• Included Contact Type

  round socket single mating end single contact grouping

• Precious Material And Location

  contact surfaces gold

• Precious Material And Weight

  0.085 gold grains, troy

• Thread Direction

  right-hand

• Body Style

  1g straight shape, external coupling

• Overall Length

  1.531 inches nominal

• Overall Width

  2.719 inches minimum and 2.781 inches maximum

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  2.183 inches minimum and 2.193 inches maximum

• Contact Maximum Current Rating In Amps

  13.0 single mating end single contact grouping

• Contact Maximum Ac Voltage Rating In Volts

  500.0 single mating end single contact grouping

• Polarization Method

  keyway or multiple keyway

• Insert Position In Deg

  0.0

• Shell Type

  solid

• Contact Material

  copper alloy 260 single mating end single contact grouping or copper alloy

• Contact Surface Treatment

  gold single mating end single contact grouping and copper

• Insert Material

  rubber chloroprene class cr single mating end

• Terminal Type

  solder well single mating end single contact grouping

• Shell Material

  aluminum alloy 360.0

• Shell Surface Treatment

  cadmium and chromate

• Shell Surface Treatment Document And Classification

  qq-p-416,ty 2,cl 3 fed spec all treatment responses (use only when all treatment is controlled by the same document and classifications are identical)

• Precious Material

  gold