81H7-1

Technical Characteristics

• Thread Class

  2a and a2b

• Contact Removability

  nonremovable

• Contact Maximum Ac Voltage Rating In Volts

  500.0

• Contact Maximum Dc Voltage Rating In Volts

  700.0

• Insert Position In Deg

  0.0

• Nominal Thread Size

  1.188 inches and 1.250 inches

• Contact Material

  copper alloy

• Contact Surface Treatment

  silver

• Terminal Type

  solder well

• Included Contact Quantity

  14

• Precious Material

  silver

• Thread Series Designator

  unef and unef

• Precious Material And Weight

  0.014 silver grains,troy

• Precious Material And Location

  contact surfaces silver

• Included Contact Type

  round socket

• Shell Surface Treatment

  cadmium and chromate

• Shell Material

  aluminum alloy

• Insert Material

  plastic melamine

• Terminal Location

  back

• Connector Locking Method

  internally threaded coupling nut

• Shell Type

  solid

• Polarization Method

  keyway or multiple keyway

• Contact Maximum Current Rating In Amps

  7.5

• Mating End Quantity

  1

• Threaded Device Type

  back shell and coupling facility

• Environmental Protection

  moisture proof and salt water resistant and vibration proof

• Overall Diameter

  1.625 inches nominal

• Overall Length

  2.078 inches nominal

• Thread Direction

  right-hand and right-hand