KA-99-42

Technical Characteristics

• Thread Class

  2a and a2b

• Overall Length

  1.281 inches nominal

• Overall Height

  1.050 inches nominal

• Contact Removability

  nonremovable

• Connector Locking Method

  externally threaded shell and internally threaded coupling nut

• Thread Quantity Per Inch

  28 and a28

• Thread Direction

  right-hand and right-hand

• Overall Width

  0.420 inches nominal

• Threaded Device Type

  coupling facility

• Mating End Quantity

  3

• Contact Maximum Ac Voltage Rating In Volts

  500.0

• Shell Type

  solid

• Radio Frequency Type Contact Characteristic Impedance In Ohms

  50.0

• Nominal Thread Size

  0.438 inches and 0.438 inches

• Contact Surface Treatment

  gold and silver

• Insert Material

  plastic polytetrafluoroethylene

• Shell Material

  aluminum

• Precious Material And Location

  contact surfaces gold and contact surfaces silver

• Included Contact Type

  coaxial socket

• Included Contact Type

  coaxial pin

• Included Contact Quantity

  1

• Shell Material Document And Classification

  qq-a-225/6 fed spec single material response or qq-a-225/8 fed spec single material response

• Contact Material Document And Classification

  qq-b-626 fed spec single material response

• Contact Material

  copper alloy

• Thread Series Designator

  unef and unef

• Precious Material

  gold and silver

• Precious Material And Weight

  0.015 gold grains,troy and 0.015 silver grains,troy

• Insert Material Document And Classification

  mil-p-19468 mil spec single material response

• Shell Surface Treatment

  cadmium and chromate