3974U

Technical Characteristics

• Thread Class

  2a

• Threaded Device Type

  mounting bushing

• Mating End Quantity

  1

• Connector Locking Method

  bayonet pin

• Connector Cable Strain Relief Method

  compression nut

• Radio Frequency Type Contact Characteristic Impedance In Ohms

  50.0

• Thread Quantity Per Inch

  28

• Nominal Thread Size

  0.750 inches

• Terminal Location

  back

• Contact Surface Treatment

  gold and silver

• Contact Surface Treatment Document And Classification

  781999-1 hughes ground system process standard mfr ref single treatment response

• Terminal Type

  solder well

• Shell Material

  copper alloy

• Shell Surface Treatment Document And Classification

  qq-s-365 fed spec single treatment response

• Shell Material Document And Classification

  qq-b-626,comp 22,1/2 h fed spec single material response or qq-b-613,comp 11,1/2 h fed spec single material response

• Included Contact Type

  triaxial pin

• Precious Material

  gold and silver

• Thread Direction

  right-hand

• Overall Length

  1.940 inches minimum and 2.000 inches maximum

• Overall Diameter

  0.743 inches minimum and 0.763 inches maximum

• Cable Entrance Diameter

  0.248 inches minimum and 0.268 inches maximum

• Contact Removability

  nonremovable

• Contact Maximum Ac Voltage Rating In Volts

  1500.0

• Contact Maximum Frequency Rating

  10000.0 megahertz

• Shell Type

  solid

• Contact Material

  copper alloy

• Insert Material

  plastic tetrafluoroethylene

• Contact Material Document And Classification

  qq-b-626,@comp 22,1/2 h fed spec single material response or qq-b-613,comp 11,1/2 h fed spec single material response

• Shell Surface Treatment

  silver

• Included Contact Quantity

  1

• Bushing Accommodation Hole Shape

  round w/flat

• Precious Material And Location

  contact surface gold and contact and shell surfaces silver

• Precious Material And Weight

  0.005 gold grains,troy and 0.105 silver grains,troy

• Thread Series Designator

  un